#include <iostream> #include<string> using namespace std; int main() { int q,s; cin>>q>>s; m=s/q*100; cout<<m<<"%"<<endl; return 0; }

#include<iostream>
#include<iomanip>
using namespace std;
int main(){
    int q,s;
    cin>>q>>s;
    double l=static_cast<double>(s)/q*100;
    cout<<fixed<<setprecision(3)<<l<<"%"<<endl;
    
}

#include <bits/stdc++.h>
using namespace std;

int main()
{
    double a,b,c;
    cin >> a >> b;
    c = b / a * 100; //扩大100倍
    cout << fixed << setprecision(3) << c << "%" << endl;
    return 0;
}

#include<stdio.h> int main(){ float i,j; float k=0; scanf("%f %f",&i,&j); k=j*100/i; printf("%.3f",k); printf("%%"); return 0; }