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.

Examples

Input

atcoder beginner contest


Output

ABC


Input

resident register number


Output

RRN


Input

k nearest neighbor


Output

KNN


Input

async layered coding


Output

ALC

import java.util.Scanner;

class Main {
  public static void main(String[] args){

    Scanner sc = new Scanner(System.in);

    String a = sc.next();
    String b = sc.next();
    String c = sc.next();
//toUpperで大文字に変える
//toLowerで小文字に変える
     String ua = a.toUpperCase();
     String ub = b.toUpperCase();
     String uc = c.toUpperCase();
//substringで出力の文字数の指定
    System.out.println(ua.substring(0,1) + ub.substring(0,1) + uc.substring(0,1));
  }
}
