#include <iostream>
using namespace std;
int ADD(int n1 = 1, int n2 = 2);
int main(void)
{
cout << ADD();
}
int ADD(int n1, int n2)
{
return n1 + n2;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBBREQoaW50IG4xID0gMSwgaW50IG4yID0gMik7CgppbnQgbWFpbih2b2lkKQp7Cgljb3V0IDw8IEFERCgpOwp9CgppbnQgQUREKGludCBuMSwgaW50IG4yKQp7CglyZXR1cm4gbjEgKyBuMjsKfQ==