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: Accepted)

code = gets.unpack("c*")
ans = []
code.each do |each|
   if (each > 96) && (each < 123)
	  ans << each - 32
   else
	  ans << each
   end
end
print ans.pack("c*")