#include<iostream> #include<string> #include<fstream> #include<iomanip> #include<vector> #include<cctype> #include<algorithm> #include<sstream> using namespace std; int main() { double d, p, q; long long a, b; cin >> d >> p; q = floor(d*(p / 100)); a = (long long)d; b = (long long)q; cout << a + b << endl; return 0; }