#!/usr/bin/env python3
# vim: set ts=4 sw=4 et tw=80:

import sys

# This is a modified version of BubbleSort that swaps elements only if the first
# is odd and the second one is even
def partition_even_odd(x):
    i = len(x) - 1
    while i > 0:
        for j in range(0, i):
            if x[j] % 2 == 1 and x[j+1] % 2 == 0:
                c = x[j]
                x[j] = x[j+1]
                x[j+1] = c
        i = i - 1

def main():
    args = [int(x) for x in sys.argv[1:]]
    partition_even_odd(args)
    print(args)

if __name__ == "__main__":
    main()