Backpacking

#include <iostream>
#include <cmath>

int main(int argc, char *argv[])
{
    if (argc != 3)
        return (0);
    int a = std::stoi(argv[1]);
    int b = std::stoi(argv[2]);
    if (a < 0 || a > pow(10, 6))
        return (0);
    if (b < 0 || b > pow(10, 6))
        return (0);
    std::cout << (a + b);
    return (0);
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER