package arswLaboratorio1;
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.nio.Buffer; import java.util.Scanner;
public class EOF {
public static void main(String[] args) throws IOException {
Scanner sc = new Scanner(System.in);
int ntc = 1;
while(sc.hasNext()){
String str = sc.nextLine();
System.out.println(ntc+" "+str);
ntc++;
}
}
}