Score : 100 points
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.
Input is given from Standard Input in the following format:
s_1 s_2 s_3
Print the answer.
atcoder beginner contest
ABC
The initial letters of atcoder
, beginner
and contest
are a
, b
and c
. Uppercase and concatenate them to obtain ABC
.
resident register number
RRN
k nearest neighbor
KNN
async layered coding
ALC