Capitalization is writing a word with its first letter as a capital letter. Your task is to capitalize the given word.

Note, that during capitalization all the letters except the first one remains unchanged.
A single line contains a non-empty word. This word consists of lowercase and uppercase English letters. The length of the word will not exceed 10<sup class="upper-index">3</sup>.
userinput=input()
ALPHABET = "ABCDEFGHIJKLMNOPQRSTUWXYZ"
alphabet = "abcdefghijklmnopqrstuvwxyz"
i=0
while i<len(alphabet):
    if userinput[0] == alphabet[i]:
        userinput = ALPHABET[i]+userinput[1:len(userinput)]
    else:
        i+=1
print(userinput)