void degistir(int[] a) {
    a[0] = 99;
}

int main() {
    int[] x = [1, 2, 3];
    degistir(x);
    print(x[0]);
    int[] y = x;
    print(y == x);
    int[] z = [1, 2, 3];
    print(z == x);
    print(x[1]);
    return 0;
}