#include <bits/stdc++.h>
#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<vector>
#include<set>
#include<list>
#include<queue>
#include<math.h>
#include<bitset>
using ll = long long;
using namespace std;

int main(){
    int a, b;
    cin >> a >> b;
    for (int i = 0; i < 10000; i++){
        int total;
        for (int j=0; j < 10000; j++){
            total = i+j;
            if (!total) continue;
            if ((double) 100*i/total >= a-0.5 && (double) 100*i/total < a+0.5 && (double) 100*j/total >= b-0.5 && (double) 100*j/total < b+0.5){
                cout << total << endl;
                return 0;
            }
        }
    }
}