#include using namespace std; #ifdef DEBUG_ #include #else #define dump(...) #endif #define FastIO cin.tie(nullptr), ios_base::sync_with_stdio(false); #define rep(i, n) for (int i = 0; (int)i < n; ++i) #define repa(i, a, n) for (int i = a; (int)(i) < (n); (++i)) #define rrep(i, n) for (int i = (n - 1); (int)i >= 0; --i) #define rrepa(i, a, n) for (int i = a; (int)i >= 0; --i) #define EACH(x, a) for (auto& x : a) #define output(msg) cout << (msg) << '\n' #define die(msg) \ do { \ cout << msg << endl; \ exit(0); \ } while (0) template bool chmax(T& a, const T& b) { return ((a < b) ? (a = b, true) : (false)); } template bool chmin(T& a, const T& b) { return ((a > b) ? (a = b, true) : false); } using llint = long long int; int main() { FastIO; long double v, t; cin >> v >> t; v *= 1000000; output((int)(v * t / 1000000)); }