#include <iostream>

#include <cmath>

using namespace std;





int main()

{    int x,p;

    int s=0;

    cin>>x;

    cin>>p;

    while(x!=0)
    {

        s=s+x;

        x=x-floor(x*p)/100;

    }

    cout << s << endl;



    return 0;

}