#include<iostream>
#include<cstdlib>
#include<cstdio>
#include<cmath>

using namespace std;
int main(void) {
    long double p,q;
    cin>>p>>q;
    int n=1,m;
    int k1,k2;
    int i,j;
    if (p<q) {
        for (m=1; m<100000; m++){
            for (i=0; i<=100*m/q; i++){
                k1=i;
            }
            for (j=0; j<100*m/p; j++){
                k2=j;
            }

            if (k1+1<=k2){
                n=k1+1;
                break;
            }
        }
        cout<<n;
    }
    if (p==q){

    }
    //system("pause");

}