[SWEA] 8741번 두문자어

import java.util.Scanner;
public class Solution {
	
	public static void main(String[] args){
		Scanner kb = new Scanner(System.in);
		StringBuilder sb = new StringBuilder();
		
		int T = kb.nextInt();
		kb.nextLine();
		
		for(int i=0; i<T; i++) {
			sb.append("#").append(i+1).append(" ");
			String[] s = kb.nextLine().split(" ");
			
			for(int j=0; j<s.length; j++) {
				char c = s[j].charAt(0);
				sb.append(Character.toUpperCase(c));
			}
			sb.append('\n');
			
			
		}
		System.out.println(sb.toString());
	}

}