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);

		int num = 'a' - 'A';

		char s_1, s_2, s_3;

		s_1 = sc.next().charAt(0);
		s_2 = sc.next().charAt(0);
		s_3 = sc.next().charAt(0);

		sc.close();

		String ans = "";

		ans += (char)(s_1-num);
		ans += (char)(s_2-num);
		ans += (char)(s_3-num);



		System.out.println(ans);

	}

}
