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 {
	static final char BIG = (char)('A' - 'a');
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] arrA = sc.next().toCharArray();
		char[] arrB = sc.next().toCharArray();
		char[] arrC = sc.next().toCharArray();
		StringBuilder sb = new StringBuilder();
		sb.append((char)(arrA[0] + BIG)).append((char)(arrB[0] + BIG)).append((char)(arrC[0] + BIG));
		System.out.println(sb);
	}
}
