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;

class Main{
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		String s1 = sc.next();
		String s2 = sc.next();
		String s3 = sc.next();

		String S1 = s1.toUpperCase();
		String S2 = s2.toUpperCase();
		String S3 = s3.toUpperCase();

		System.out.print(String.valueOf(S1.charAt(0)) + String.valueOf(S2.charAt(0)) + String.valueOf(S3.charAt(0)));

		sc.close();
	}
}