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.
a, b, c = map(str, input().split())

A = list(a)
B = list(b)
C = list(c)

l = [A[0], B[0], C[0]]
print(''.join(l))
a, b, c = map(str, input().split())
 
A = list(a)
B = list(b)
C = list(c)
 
l = [A[0], B[0], C[0]]
print(str.upper(''.join(l)))