import java.io.; import java.util.; import java.text.; import java.math.; import java.util.regex.*;

public class Solution {

public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int i=1;
    String str;
    while(input.hasNext()){
        str=input.nextLine();
        System.out.println(i+" "+str);
        i++;

    }

}

}