#include <iostream>

int addtwo(int x, int y)
{
	return x + y;
}

int addtwo(double x, double y)
{
	return x + y;
}

int main()
{
	int a=1, b=2;
	double x=2., y=3.;

	std::cout<< addtwo(a, b) << std::endl;
	std::cout<< addtwo(x, y) << std::endl;
}