#include <iostream>
#include <string>

int main(){
  int D,P;
  std::cin >> D >> P;

  auto precise = std::to_string(D*(1 + P*0.01));
  for(const auto& c : precise){
    if('.' == c){ break; }
    std::cout << c;
  } 
  std::cout << std::endl;
  
  return 0;
}