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.*;
public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
      	String[] abc = new String[3];
      	for(int i = 0; i < 3; i++){
        	abc[i] = sc.next().toUpperCase();
        }
      	for(int i = 0; i < 3; i++){
        	System.out.print(abc[i].charAt(0));
        }
    }
}