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 scanner = new Scanner(System.in);
		    
		    String a = scanner.next();
		    String b = scanner.next();
		    String c = scanner.next();
		    
		    System.out.println(a.substring( 0 , 1 ).toUpperCase() 
		    					+ b.substring( 0 , 1 ).toUpperCase()
		    					+ c.substring( 0 , 1 ).toUpperCase());
		    
		    scanner.close(); }
		  }