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.*;
    public class Main {
     
    	public static void main(String[] args) {
    			
    		Scanner scan=new Scanner(System.in);
    		
    		String s1=scan.next().toUpperCase();
    		String s2=scan.next().toUpperCase();
    		String s3=scan.next().toUpperCase();
    		
    		System.out.print(s1.charAt(0));
    		System.out.print(s2.charAt(0));
    		System.out.print(s3.charAt(0));

    		
    	
  
    				
    	}
     
    }