#include<iostream>
using namespace std;
long long a;
long long b;
int main()
{
unsigned long long c;
cin >> a >> b;
if(a < 0 || b < 0)
{
cout << a + b << endl;
}
if(a >= 0 && b >= 0)
{
c = a + b;
cout << c << endl;
}
return 0;
}