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

public class Files {
	public static void main(String[] args)  throws Exception {
		Scanner in = new Scanner(new File("Files_entrada.txt"));
		PrintWriter out = new PrintWriter("Files_salida.txt");
		for(int line = 1; in.hasNext(); line++) {
			System.out.println(line + ": " + in.nextLine());
		}
		in.close();
		for(int line = 1; line <= 10; line++) {
			out.println(line + ": " + Math.random());
		}
		out.close();

	}
}