#include <bits/stdc++.h> 
using namespace std;
#include <ios>
#include <iomanip>
#include <iostream>
#include <string>
#include <algorithm>

int main(){
  double a, b;
  cin >>a >> b;
  double c = b / 100;
  c = floor(a * c);
  cout << a + c;
  
  
  
}