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 scan = new Scanner(System.in);


		String a = scan.next().toUpperCase();
		String b = scan.next().toUpperCase();
		String c = scan.next().toUpperCase();

		System.out.print(a.charAt(0));
		System.out.print(b.charAt(0));
		System.out.println(c.charAt(0));
	}
}
