#!/usr/bin/env python

def get_ura_bool(gyaku):
    return gyaku

def get_taigu_bool(val):
    return val


line = [i for i in input().split()]
val1 = line[0]
val2 = line[1]

print("{0} {1}".format(get_ura_bool(val2), get_taigu_bool(val1)))