def runningTime(arr):
    # Write your code here
    shifts = 0
    n = len(arr)
    
    for i in range(1, n):
        key = arr[i]
        j = i - 1
        while j >= 0 and key < arr[j]:
            arr[j+1] = arr[j]
            j -= 1
            shifts += 1
        arr[j+1] = key
    return shifts