Backpacking

#include <stdio.h>
#include <stdlib.h>

int main() {
    uint a = 0;
    uint b = 0;
    if (scanf("%d, %d", &a, &b) == 0)
        return EXIT_FAILURE;
    printf("%d", a + b);
    return EXIT_SUCCESS;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER