!/bin/python3

import math import os import random import re import sys

Complete the solve function below.

def solve(s): return " ".join(i.capitalize() for i in s.split(" "))

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

s = input()

result = solve(s)

fptr.write(result + '\n')

fptr.close()