#include <iostream>

#include <cmath>

using namespace std;

​

int main() {

  cout << fma(0.5, 0.75, 1.0) << "\n";

  cout << fma(3, 3, 1) << "\n";

  cout << fma(2, 1.5, 1) << "\n";

  return 0;

}

​