from __future__ import print_function

try:
    raw_input           # python 2
except NameError:
    raw_input = input   # python 3

def bubble_sort(arr):
    length = len(arr)
    for i in range(length):
        swapped = False
        for j in range(length - 1):
            if arr[j] > arr[j + 1]:
                swapped = True
                arr[j], arr[j + 1] = arr[j + 1], arr[j]
        if not swapped: break   # Stop iteration if the arr is sorted
    return arr

if __name__ == '__main__':
    user_input = raw_input('Enter numbers separated by a comma: \n').strip()
    unsorted = [int(item) for item in user_input.split(',')]
    print(bubble_sort(unsorted))