#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the solve function below.
def solve(s):
    
    full = s.split(' ')

    for i in range (len(full)):
        full[i] = full[i].capitalize()
    
    

    name = " ".join(full)

    return name

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

    s = input()

    result = solve(s)

    fptr.write(result + '\n')

    fptr.close()