#include <iostream>
using namespace std;
int main() {
// your code goes her
/*
int x,y,p=2;
cin>>x>>y; // 100 - 2
cout << x <<"/"<< y << "\t";
while(p<=x){
if(x%p==0 && y%p==0){
x /= p; // 50
y /= p; // 2
p = 2; //2
cout << x <<"/"<< y << "\t";
}else if(x%p==3 && y%p==3){
x /= p; // 50
y /= p; // 2
p = 3; //2
cout << x <<"/"<< y << "\t";
}else
p++; // 3
}
double z = x/y;
if(y==1){
cout << x;
}else{
cout << "SSSSS "<< x/2.0;
}
*/
double x=1.2;
int y=1,z=1;
//cout << int(x*z) %y << "\n";
int counter=0;
while(1){
counter=0;
int f=z; // 1
int c=1;
while(counter<10){
if(int(x*f)==y){
cout << y << "/" << f;
c=2;
break;
}else{
f++; // 2
counter++; // 2
}
}
if(c!=1) break;
if(int(x*z)==y){
cout << y << "/" << z;
c=2;
break;
}else{
y++;
}
}
return 0;
}
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