5567

#include <stdio.h>
#include <math.h>

int main() {
    int N, i, a, zero = 0, negative = 0, negamin = -1000000001, max = 1;
    scanf("%d", &N);
    for(i = 0; i < N; i++) {
        scanf("%d", &a);
        if(a == 0)
            zero = i;
        if(a < 0) {
            negative++;
            if(a > negamin)
                negamin = i;
        }
    }

    if(negative % 2 == 0)
        negamin = -1;

    for(i = 0; i < N; i++)
        if(i != zero && i != negamin)
            printf("%d ", i+1);

    return 0;
}