
#!/usr/bin/env python
# -*- coding: utf-8 -*-
print()
txt = input("Текст: ")
res = list(txt.upper())
def first(target):
return target[0]
def last(target):
return target[-1]
def replace_chars():
res.append(first(res))
res.remove(last(res))
def decrease_chars():
del res[-1]
print()
for i in range(len(res)):
print (' '.join(res))
replace_chars()
print()