#include <iostream>

#include <cmath>

using namespace std;

​

int main() {

  cout << trunc(0.60) << "\n";

  cout << trunc(0.40) << "\n";

  cout << trunc(5) << "\n";

  cout << trunc(5.1) << "\n";

  cout << trunc(-5.1) << "\n";

  cout << trunc(-5.9) << "\n";

  return 0;

}

​