#include <iostream>

using namespace std;

double factorial(int n);
void Control(int a);

void main()
{
	double i=0;
	double a;	
	char OB;


	printf("\n---- ÀÌ ÇÁ·Î±×·¥Àº ----\n¸íÁö´ëÇб³ È­Çаú 00Çйø ±è¿µ¹ÎÀÌ ¸¸µç °Í ÀÔ´Ï´Ù.\n¾î¶² ¿ëµµ·Îµµ »ç¿ëÀÌ °¡´ÉÇÏÁö¸¸ \n»ó¾÷ÀûÀ̰ųª ¾ÇÀÇÀûÀÎ ¿ëµµ·ÎÀÇ »ç¿ëÀ» ±ÝÇÕ´Ï´Ù.\nÀÌ ÇÁ·Î±×·¥¿¡ ´ëÇÑ ¹®Àdzª Åҽɺ¼¿¡ ´ëÇÑ ¹®ÀÇ »çÇ×Àº \nkim_dudals@hotmail.com <---  ¿©±â·Î º¸³»ÁÖ¼¼¿ä.\n\nVer 0.7\n\n¹öÀü ¾÷µ¥ÀÌÆ® »óȲ\nVer0.1 03.29.05 ¿ÀºñÅ» ¼±ÅÃÇϽÿÀ¶ó´Â ±Û¸¸ È­¸é¿¡ ³ª¿È.\nVer0.2 04.04.05 °ö¼À±îÁö °¡´ÉÇØÁü.\nVer0.3 04.25.05 ÆÑÅ丮¾ó °è»êÀÌ µÇ¾úÀ¸³ª ¿À¹öÇ÷ξ ÀϾ.\nVer0.4 04.24.05 °¡´ÉÇÑ ¸ðµç ÀüÀÚÀÇ ¹èÄ¡¸¦ µµ½º»ó¿¡¼­ ±×·¡ÇÈÀ¸·Î Ç¥ÇöÇÏ·Á°í \n                ÇßÀ¸³ª ½ÇÆÐÇÔ. »ó´çÇÑ ¼öÁØÀÇ ³»°øÀÌ ÇÊ¿äÇÑ °Í°°À½.\nVer0.5 04.30.05 ÇÁ·Î±×·¥ÀÌ ²¿¿©¼­ Çѵ¿¾È Æ÷±âÇÔ.\nVer0.7 05.29.05 óÀ½ºÎÅÍ ´Ù½Ã ¸¸µë.\n\n1,000ȸÀÇ ½ÇÀü Å×½ºÆ® µ¿¾È ¹®Á¦ ¾ø¾ú½¿. \nºñ±³ÀÚ·á Çѽ¼® ±³¼ö´Ô »çÀÌÆ® \nhttp://chem.mju.ac.kr/~sshan/c_chem/javascript/s_termsymb.html\n\n") 																																																								 ;

	cout<<"¿ÀºñÅ»À» ¼±ÅÃÇϼ¼¿ä(s ,p , d, f , g) : ";
	cin >> OB;
	cout<<"ÀüÀÚ¼ö¸¦ ÀÔ·ÂÇϼ¼¿ä : ";
	cin >> a;
	
	switch (OB)
	{
	case 's'://s¿ÀºñÅ»
		
		OB=2;
		Control(2);
	    
		//ÀüÀÚ Çϳª±îÁö¸¸

		if(a<2)
		{
			cout<<"\n2S+1 = "<<a+1<<endl;
			cout<<"  L  = "<<0<<endl;
			cout<<"  J  = "<<a/2<<endl;
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");

		break;
		}

		//ÀüÀÚ µÎ°³ ÀÌ»ó


		else
		{
			cout<<"\n2S+1 = "<<OB-a+1<<endl;
			cout<<"  L  = "<<0<<endl;
			cout<<"  J  = "<<(OB-a)/2<<endl;
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
			break;
		}
           
			
		break;
		
//p ¿ÀºñÅ» 

	case 'p':
		OB=6;
	    Control(6);

		//ÀüÀÚ 0ºÎÅÍ 3±îÁö

		if(a<4)
		{
			cout<<"\n2S+1 = "<<a+1<<endl;
			if(a<2)			
			{cout<<"  L  = "<<a<<endl;
			cout<<"  J  = "<<a-(a/2)<<endl;}
			else			
			{cout<<"  L  = "<<3-a<<endl;
			cout<<"  J  = "<<-((3-a)-a/2)<<endl;}
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		break;
		}

//ÀüÀÚ 4ºÎÅÍ 6±îÁö

		else
		{
			cout<<"\n2S+1 = "<<OB-a+1<<endl;
			if(OB-a<2)			
			{cout<<"  L  = "<<OB-a<<endl;
			cout<<"  J  = "<<(OB-a)/2+(OB-a)<<endl;}
			else			
			{cout<<"  L  = "<<3-(OB-a)<<endl;
			cout<<"  J  = "<<(OB-a)/2+3-(OB-a)<<endl;}
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
			break;
		}


		break;
		
	case 'd':
		OB=10;
       Control(10);
	
//ÀüÀÚ 0ºÎÅÍ 5±îÁö

	   	if(a<6)
		{
			cout<<"\n2S+1 = "<<a+1<<endl;

			if(a<1)
			{cout<<"  L  = "<<a<<endl;
			cout<<"  J  = "<<a-(a/2)<<endl;}
			else
			{
				if(a<3)
				{cout<<"  L  = "<<a+1<<endl;
				cout<<"  J  = "<<a+1-(a/2)<<endl;}
				else
				{
					if(a<4)
					{cout<<"  L  = "<<a<<endl;
					cout<<"  J  = "<<a-(a/2)<<endl;}
					else
					{
						if(a<5)
						{cout<<"  L  = "<<a-2<<endl;
						cout<<"  J  = "<<a-2-(a/2)<<endl;}
						else
						{cout<<"  L  = "<<a-a<<endl;
						cout<<"  J  = "<<(a/2)<<endl;}
					}
				}
			}
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		
		break;
		}

//ÀüÀÚ 6ºÎÅÍ 10±îÁö

		else
		{
			if(OB-a<6)
		{
			cout<<"\n2S+1 = "<<(OB-a)+1<<endl;
			if(OB-a<1)
			{cout<<"  L  = "<<OB-a<<endl;
			cout<<"  J  = "<<(OB-a)/2+OB-a<<endl;}
			else
			{
				if(OB-a<3)
				{cout<<"  L  = "<<(OB-a)+1<<endl;
				cout<<"  J  = "<<(OB-a)/2+(OB-a)+1<<endl;}
				else
				{
					if(OB-a<4)
					{cout<<"  L  = "<<OB-a<<endl;
					cout<<"  J  = "<<(OB-a)/2+OB-a<<endl;}
					else
					{
						if(OB-a<5)
						{cout<<"  L  = "<<(OB-a)-2<<endl;
						cout<<"  J  = "<<(OB-a)/2+(OB-a)-2<<endl;}
						else
						{cout<<"  L  = "<<(OB-a)-(OB-a)<<endl;
						cout<<"  J  = "<<(OB-a)/2<<endl;}
					}
				}
			}
			
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		break;
		}
		}

	   
	   break;

	case 'f':
		OB=14;
		Control(14);
	
//ÀüÀÚ 0ºÎÅÍ 7±îÁö

			if(a<8)
		{
			cout<<"\n2S+1 = "<<a+1<<endl;
			if(a<1)
			{cout<<"  L  = "<<a<<endl;
			cout<<"  J  = "<<a-a/2<<endl;}
			else
			{
				if(a<2)
				{cout<<"  L  = "<<a+2<<endl;
				cout<<"  J  = "<<a+2-a/2<<endl;}
				else
				{
					if(a<4)
					{cout<<"  L  = "<<a+3<<endl;
					cout<<"  J  = "<<a+3-a/2<<endl;}
					else
					{
						if(a<5)
						{cout<<"  L  = "<<a+2<<endl;
						cout<<"  J  = "<<a+2-a/2<<endl;}
						else
							{
							if(a<6)
							{cout<<"  L  = "<<a<<endl;
							cout<<"  J  = "<<a-a/2<<endl;}
							else
								{
								if(a<7)
								{cout<<"  L  = "<<a-3<<endl;
								cout<<"  J  = "<<a-3-a/2<<endl;}
								else
								{cout<<"  L  = "<<a-a<<endl;
								cout<<"  J  = "<<a/2<<endl;}
								
								}
							}
						}
					}
				}
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		
		break;
		}


//ÀüÀÚ 8ºÎÅÍ 14±îÁö

		else
		{
			if(OB-a<8)
		{
			cout<<"\n2S+1 = "<<(OB-a)+1<<endl;
			if(OB-a<1)
			{cout<<"  L  = "<<OB-a<<endl;
			cout<<"  J  = "<<OB-a+(OB-a)/2<<endl;}
			else
			{
				if(OB-a<2)
				{cout<<"  L  = "<<(OB-a)+2<<endl;
				cout<<"  J  = "<<(OB-a)+2+(OB-a)/2<<endl;}
				else
				{
					if(a<4)
					{cout<<"  L  = "<<(OB-a)+3<<endl;
					cout<<"  J  = "<<(OB-a)+3+(OB-a)/2<<endl;}
					else
						{
						if(a<5)
						{cout<<"  L  = "<<(OB-a)+2<<endl;
						cout<<"  J  = "<<(OB-a)+2+(OB-a)/2<<endl;}
						else
							{
							if(OB-a<6)
							{cout<<"  L  = "<<OB-a<<endl;
							cout<<"  J  = "<<OB-a+(OB-a)/2<<endl;}
							else
								{
								if(OB-a<7)
								{cout<<"  L  = "<<(OB-a)-3<<endl;
								cout<<"  J  = "<<(OB-a)-3+(OB-a)/2<<endl;}
								else
								{cout<<"  L  = "<<(OB-a)-(OB-a)<<endl;
								cout<<"  J  = "<<(OB-a)/2<<endl;}
								}
							}
						}
					}
				}
			
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		break;
		}
		}

		break;
		
	case 'g':

		OB=18;
		Control(18);


//ÀüÀÚ 0ºÎÅÍ 9±îÁö

	if(a<10)
		{
			cout<<"\n2S+1 = "<<a+1<<endl;
			if(a<1)
			{cout<<"  L  = "<<a<<endl;
			cout<<"  J  = "<<a-a/2<<endl;}
			else
			{
				if(a<2)
				{cout<<"  L  = "<<a+3<<endl;
				cout<<"  J  = "<<a+3-a/2<<endl;}
				else
				{
					if(a<3)
					{cout<<"  L  = "<<a+5<<endl;
					cout<<"  J  = "<<a+5-a/2<<endl;}
					else
					{
						if(a<5)
						{cout<<"  L  = "<<a+6<<endl;
						cout<<"  J  = "<<a+6-a/2<<endl;}
						else
							{
							if(a<6)
							{cout<<"  L  = "<<a+5<<endl;
							cout<<"  J  = "<<a+5-a/2<<endl;}
							else
								{
								if(a<7)
								{cout<<"  L  = "<<a+3<<endl;
								cout<<"  J  = "<<a+3-a/2<<endl;}
								else
									{
									if(a<8)
									{cout<<"  L  = "<<a<<endl;
									cout<<"  J  = "<<a-a/2<<endl;}
									else
										{
										if(a<9)
										{cout<<"  L  = "<<a-4<<endl;
										cout<<"  J  = "<<a-4-a/2<<endl;}
										else
										{cout<<"  L  = "<<a-a<<endl;
										cout<<"  J  = "<<a/2<<endl;}
										}
									}
								}
							}
						}
					}
				}	
		
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		break;
		}
	

//ÀüÀÚ 10ºÎÅÍ 18±îÁö

	else
		{
			if(OB-a<1)
			cout<<"\n2S+1 = "<<(OB-a)+1<<endl;
			else
				{
				if(OB-a<2)
				{cout<<"  L  = "<<OB-a+3<<endl;
				cout<<"  J  = "<<OB-a+3+(OB-a)/2<<endl;}
				else
					{
					if(OB-a<3)
					{cout<<"  L  = "<<(OB-a)+5<<endl;
					cout<<"  J  = "<<(OB-a)+5+(OB-a)/2<<endl;}
					else
						{
						if(a<5)
						{cout<<"  L  = "<<(OB-a)+6<<endl;
						cout<<"  J  = "<<(OB-a)+6+(OB-a)/2<<endl;}
						else
							{
							if(a<6)
							{cout<<"  L  = "<<(OB-a)+5<<endl;
							cout<<"  J  = "<<(OB-a)+5+(OB-a)/2<<endl;}
							else
								{
								if(OB-a<7)
								{cout<<"  L  = "<<OB-a+3<<endl;
								cout<<"  J  = "<<OB-a+3+(OB-a)/2<<endl;}
								else
									{
									if(OB-a<8)
									{cout<<"  L  = "<<(OB-a)<<endl;
									cout<<"  J  = "<<(OB-a)+(OB-a)/2<<endl;}
									else
										{
										if(OB-a<9)
										{cout<<"  L  = "<<(OB-a)-4<<endl;
										cout<<"  J  = "<<(OB-a)-4+(OB-a)/2<<endl;}
										else
										{cout<<"  L  = "<<(OB-a)-(OB-a)<<endl;
										cout<<"  J  = "<<(OB-a)/2<<endl;}
										}
									}
								}
							}
						}
					}
				}
			}
			
			printf("\n  L  =  0  1  2  3  4  5  6  7  8  9 10\n");
			printf("  L  =  S  P  D  F  G  H  I  J  K  L  M\n");
		break;
		}
		}

	

//ÆÑÅ丮¾ó ±¸ÇÏ´Â ºÎºÐ

double factorial(int n)
{
	if(n==0)
		return 1;
	else
		return n* factorial(n-1);
}

void Control(int OB)
{
	double result;
    double b;

	    cout<<"ÀüÀÚ¼ö¸¦ Çѹø¸¸ ´õ ÀÔ·ÂÇϼ¼¿ä : ";
	    cin >> b;
		if(b>OB)
		{
		   cout<<"\nÃÊ°ú"<<endl;		
		}
	    result = factorial(OB)/(factorial(b)*factorial(OB-b));
	    cout<<"\n°¡´ÉÇÑ ÀüÀÚ ¹èÄ¡ = "<<result<<endl;}


//óÀ½¿¡ ÀüÀÚ ÀÔ·ÂÇÏ´Â ºÎºÐ°ú ÆÑÅ丮¾ó ºÎºÐÀ» ¿¬°áÇϱ⠾î·Æ¿ò