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;
     
    public 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();

        System.out.println(A.substring(0, 1).toUpperCase() + B.substring(0, 1).toUpperCase() + C.substring(0, 1).toUpperCase());
      }
    }
