#include <iostream>
#include <fstream>
using namespace std;
ifstream f("adunare.in");
ofstream g("adunare.out");
int sum(int a,int b)
{
	return a+b;
}
void cit(ifstream &f, int &a,int &b)
{
	f>>a;
	f>>b;
}
void write(ofstream &g,int x)
{
	g<<x;
}
int main()
{
	int a,b;
	cit(f,a,b);
	write(g,sum(a,b));
	return 0;
}