import java.io.*;
import java.util.ArrayList;
 
class Solution {
	public static void main(String args[]) throws Exception {
		boolean achou = false;
		ArrayList<String> livros = new ArrayList<>();
		livros.add("titulo1");
		livros.add("titulo2");
		livros.add("tulo1");
		livros.add("teste");
		String busca = "titu";
		for (int i = 0; i < livros.size(); i++) {
			if (livros.get(i).contains(busca)) {
				System.out.println("Livro encontrado : " + livros.get(i));
				System.out.println("");
				achou = true;
			}
		}
		if (!achou) {
			System.out.println("Título não encontrado!");
			System.out.println("");
		}
	}
}

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