from __future__ import print_function


def selection_sort(collection):

    length = len(collection)
    for i in range(length):
        least = i
        for k in range(i + 1, length):
            if collection[k] < collection[least]:
                least = k
        collection[least], collection[i] = (
            collection[i], collection[least]
        )
    return collection


if __name__ == '__main__':
    try:
        raw_input          # Python 2
    except NameError:
        raw_input = input  # Python 3

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