package main;

import java.io.File;
import java.util.Scanner;

public class Misspelling {
	public static void main(String[] args) throws Throwable {
		File file = new File("txt");
		Scanner scan = new Scanner(file);
		int Tc = 0;
		for (int i = 0; i <= 1000; i++) {
			Tc = scan.nextInt();
			if (Tc <= 1000 && Tc >= 1)
				break;
		}
		int c = 0;
		String world = "";
		for (int i = 1; i <= Tc; i++) {
			c = scan.nextInt();
			world = scan.next();
			StringBuffer Fw = new StringBuffer(world);
			System.out.println(i + " " + Fw.deleteCharAt(c - 1));
		}
	}

}