#include <stdio.h>
#define for_i(i, range, inner)                                                 \
    {                                                                          \
        int i;                                                                 \
        for (i = 0; i < range; i++)                                            \
            inner;                                                             \
    }
#define N 12

int sum(int a[], int n) {
    int s = 0;
    int i = n;
    for (; i < n + 5; i++) {
        s += a[i % N];
    }
    return s;
}

int main() {
    int a[12], max_sum = 0, max_i = 0;
    for_i(i, N, scanf("%d", &a[i]));
    for_i(i, N, {
        int s = sum(a, i);
        if (s > max_sum) {
            max_sum = s;
            max_i = i;
        }
    });
    printf("%d\n", max_i + 1);
    return 0;
}