void left_rotate_by_one(int[] arr, int size) {
    var temp = arr[0];
    for (var i = 0; i < size - 1; i = i + 1;) {
        arr[i] = arr[i + 1];
    }
    arr[size - 1] = temp;
    return;
}

void left_rotate(int[] arr, int size, int num) {
    for (var i = 0; i < num; i = i + 1;) {
        left_rotate_by_one(arr, size);
    }
    return;
}

int program(int argc, string[] args) {
  var arr = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
  left_rotate(arr, 9, 3);
  return arr[0];
}