100590: [AtCoder]ABC059 A - Three-letter acronym

Memory Limit:256 MB Time Limit:2 S
Judge Style:Text Compare Creator:
Submit:0 Solved:0

Description

Score : $100$ points

Problem Statement

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.

Constraints

  • $s_1$, $s_2$ and $s_3$ are composed of lowercase English letters.
  • $1 ≤ |s_i| ≤ 10 (1≤i≤3)$

Input

Input is given from Standard Input in the following format:

$s_1$ $s_2$ $s_3$

Output

Print the answer.


Sample Input 1

atcoder beginner contest

Sample Output 1

ABC

The initial letters of atcoder, beginner and contest are a, b and c. Uppercase and concatenate them to obtain ABC.


Sample Input 2

resident register number

Sample Output 2

RRN

Sample Input 3

k nearest neighbor

Sample Output 3

KNN

Sample Input 4

async layered coding

Sample Output 4

ALC

Input

题意翻译

输入三个由小写英文字母组成的字符串,以大写字母的方式输出它们的首字母。

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