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 str1 = sc.next();
		String str2 = sc.next();
		String str3 = sc.next();
		
		String a = str1.toUpperCase();
		String b = str2.toUpperCase();
		String c = str3.toUpperCase();
		String aa = a.substring(0, 1);
		String bb = b.substring(0, 1);
		String cc = c.substring(0, 1);
		
		System.out.println(aa + bb + cc);
	  }
	}