import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */ Scanner in = new Scanner(System.in); int i=0; while(in.hasNext()){ i++; System.out.println(i + " " + in.nextLine()); } in.close(); } }