#include <iostream>
using namespace std;

int x(int a) {return a + 3;}
int x(double a) {return (int)a;}
  
int main() {
	// your code goes here
	std::cout << "Hello, World!\n" << "x(3):" << x(3) << "\nx(3.0):" << x(3.0);
	return 0;
}