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)

def large(c)
	if(c==" "||c==".") then c
	else (c.ord+"A".ord-"a".ord).chr
	end
end

s=gets.chomp
ans=""
for ch in s.split("")
	ans+=large(ch)
end
puts ans