#include <iostream>
#include <cstdlib>
using namespace std;
int main() { return 0; }

void exitfun();

struct _ {
    _() {
        atexit(exitfun);
    }
} yukicoderNo56;


void exitfun() {

    int d, p;
    cin >> d >> p;

    int ans = d * (100 + p) / 100;


    cout << ans << endl;
    
    exit(0);
}