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>.
def solve(word):
    # Your code goes here
    if word[0] != word[0].upper():
        s = list(word)
        s[0] = word[0].upper()
        return ''.join(s)

    return word

def main():
    word = input().strip() # string values
    print(solve(word))

if __name__ == "__main__":
    main()