#include <iostream>
#include <fstream>
using namespace std;
/*
iput:
a >>cin
b >>cin

out:
s = a + b
cout << s

restrictions:
a + b <= 2.000.000.000
*/

int main()
{
    int a, b, sum = 0;
    ifstream input;
    ofstream output;
    input.open("adunare.in");
    input >> a;
    input >> b;
    input.close();
    if (a + b > 2000000000)
        return 0;
    else
    {
        output.open("adunare.out");
        output << a + b;
    }
}