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.*;
import java.lang.Math;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String sstack;
    char cstack;
    
    for(int i = 0;i < 3;i++){
    	sstack=sc.next();
      	cstack = (char)((int)sstack.charAt(0) - 32);
      	System.out.print(cstack);
    }
    System.out.println();
  }
}
