Untitled

import sys

arr = []
current_string = ''
newLine = True
for line in  sys.stdin:
  if line == " ":
    arr.append(current_string)
    current_string = ''
    newLine = True
  else:
    if newLine:
      current_string = current_string  + line.lower()
      newLine = False
    else:
      current_string = current_string + line[0].upper() + line[1:].lower()
arr.append(current_string)

for ele in arr:
  print(ele, end=' ')