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>.
word = input("")
first_letter = word[0]
word_slide = word[1::1]

if first_letter.isupper():
    print(word)
else:
    print(f"{first_letter.upper()}{word_slide}")