Scanner sc = new Scanner(System.in);

int k = arr.length - sc.nextInt();
int[] t = new int[k];

for (int i = 0; i < k; i++)
    t[i] = arr[i];

for (int i = 0; i < arr.length - k; i++)
    arr[i] = arr[i + k];

for (int i = 0; i < k; i++)
    arr[arr.length - k + i] = t[i];