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.*;

// ABC 6-C
// http://abc006.contest.atcoder.jp/tasks/abc006_3
 
public class Main {
	
	public static void main (String[] args) throws java.lang.Exception {
		Scanner in = new Scanner(System.in);
		
		String s1 = in.next();
		String s2 = in.next();
		String s3 = in.next();
		
		System.out.printf("%s%s%s\n", s1.substring(0, 1).toUpperCase(), s2.substring(0, 1).toUpperCase(), s3.substring(0, 1).toUpperCase());
	}
	
}