Problem:
Capitalize

Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.

Input

A text including lower-case letters, periods, and space is given in a line. The number of characters in the text is less than or equal to 200.

Output

Print the converted text.

Sample Input

this is a pen.

Output for the Sample Input

THIS IS A PEN.

Solution in Ruby (judge verdict: WA: Presentation Error)

while line = gets
  string = line.chomp

  puts string.split.map(&:upcase).join(' ')
end