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

bool twoSum(int A[], int N, int S) {
    for (int i = 0; i < N; i++) {
        int total = A[i];
        for (int j = i+1; j < N; j++) {
            total += A[j];
            if (total == S) {
                return true;
            }
        }
    }
    return false;
}

int main(void) {
    int A[] = {12, 6, 3, 3, 7, 8};
    bool result = twoSum(A, 6, 13);
    printf("%d\n", result);
    printf("%d\n", twoSum(A, 6, 3));
}