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.*;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] s = scanner.nextLine().split(" ", 3);
        char c1 = s[0].charAt(0);
        char c2 = s[1].charAt(0);
        char c3 = s[2].charAt(0);
        int diff = 'A' - 'a';
        System.out.printf("%c%c%c\n", c1 + diff, c2 + diff, c3 + diff);
    }
}
