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=input().split()
print(a.upper()+b.upper()+c.upper())
a,b,c=input().split()
print(a[0].upper()+b[0].upper()+c[0].upper())