//idea:  given two fractions.  Add them and display result
//Dennis
#include <iostream>
using namespace std;

int gcd(int a,int b)
{
	if (a<b) return gcd(b,a);
	if (b==0) return a;
	else return gcd(b,a%b);
}

int main()
{
	int a,b,c,d,g;	//vars, gcd
	char o,t;		//operator, temp
	while(cin>>a>>t>>b>>o>>c>>t>>d && (a|b|c|d)!=0)
	{
		int top=a*d+b*c;
		int bottom=b*d;
		int whole=0;
		g=gcd(top,bottom);
		top/=g;
		bottom/=g;
		if (top>=bottom)
		{
			whole=top/bottom;
			top%=bottom;
		}
		if (whole>0)
		{
			cout<<whole;
			if (bottom>1) cout<<" and ";
		}
		if (bottom>1) cout<<top<<" / "<<bottom;
		cout<<endl;
	}
	cout<<"Zhzyatslya, I did this for YOU!"<<endl;

	return 0;
}
/*
1 / 3 +  4  / 3
1 / 1 +  2  / 3
1 / 3 +  1  / 3
0 / 0 +  0  / 0
*/