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 sc = new Scanner(System.in);
  String[] s = new String[3];
  for(int i = 0;i < 3;i++){
    s[i] = sc.next();
  }
  String[] t = new String[3];
for(int i = 0;i < 3;i++){
  t[i] = s[i].toUpperCase();
}
  char[] u = {t[0].charAt(0),t[1].charAt(0),t[2].charAt(0)};
  System.out.println(u);
}
}
