You are given three words s_1, s_2 and s_3, each composed of lowercase English letters, with spaces in between. Print the acronym formed from the uppercased initial letters of the words.
print(*input().split(),sep='')
s = input().split()
ans = s[0][0] + s[1][0] + s[2][0]
ans = ans.upper()
print(ans)
