def leftRotate(arr, d, n):
    for i in range(gcd(d,n)):
         
        temp = arr[i]
        j = i
        while 1:
            k = j + d
            if k >= n:
                k = k - n
            if k == i:
                break
            arr[j] = arr[k]
            j = k
        arr[j] = temp

def printArray(arr, size):
    for i in range(size):
        print ("%d" % arr[i], end=" ")

def gcd(a, b):
    if b == 0:
        return a;
    else:
        return gcd(b, a%b)

arr = [1, 2, 3, 4, 5, 6, 7]
leftRotate(arr, 2, 7)
printArray(arr, 7)