#include <stdio.h>

int main() {
    // the array size is 6, but only 4 elements are
    // there in the initializer list
    int a[6] = {10, 20, 30, 40};

    // print the elements. the last two will be zero.
    printf("%d %d %d %d %d %d\n", a[0], a[1], a[2], a[3], a[4], a[5]);

    return 0;
}