#include <stdio.h>
#include <stdlib.h>
int main() {
    int *list = malloc(6 * sizeof(int));
    
    int A1,A2,A3,A4;
    A1 = 0;
    k:
    if (A1 < 6) {
        *(list + A1) = A1 % 2;
        A1++;
        goto k;
    }
    printf("Hello world!\n");

    free(list);
    return 0;
}