#include <iostream> #include <vector> #include <string> #include <list> #include <queue> #include <algorithm> #define rep(i, n) for(i = 0; i < (n); i++) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define MOD 1000000007 #define PI 3.14159265358979323846 #define INF 1 << 30 using namespace std; typedef long long ll; typedef pair<int, int> pp; int main(void) { int num, i, k; cin >> num >> k; num *= 100 + k; num /= 100; cout << num << "\n"; return 0; }