#!/bin/python3

import math
import os
import random
import re
import sys

def solve(person_name):
    return " ".join([name.capitalize() for name in person_name.split(" ")])

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    s = input()

    result = solve(s)

    fptr.write(result + '\n')

    fptr.close()