Question

import java.io.PrintWriter;
import java.util.Scanner;

class Main {
	public void solve() {
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		int n = 0, test = 1;
		int[] participantes = new int[10001];
		while (true) {
			n = in.nextInt();
			if (n == 0)
				break;
			for (int i = 1; i <= n; i++) {
				participantes[i] = in.nextInt();
			}
			int resp = -1;
			for (int i = 1; i <= n; i++) {
				if (i == participantes[i]) {
					resp = i;
					break;
				}
			}
			out.print("Teste " + test + "\n");
			out.print(resp);
			out.print("\n\n");
			test++;
		}
		out.close();
	}

	public static void main(String[] args) {
		new Main().solve();
	}
}