#include<iostream>
#include<string>
using namespace std;

class F{
	int n;
	int d;
	friend void operator>>(istream& in,F& f);
	friend void operator<<(ostream& out,const F& f);
public:
	F(int n=0,int d=1):n(n),d(d){};
	
	~F(){};
};
 istream& operator>>(istream& in,F& f){
	char c;
	in>>f.n>>c>>f.d>>endl;
}
ostream& operator<<(ostream& out,const F& f){
	out<<f.n<<'/'<<f.d<<endl;
}
int main ()
{
	F a;
	cin>>a;
	cout<<a;
	return 0;
}