import java.util.Random; public class randomCalls { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Random rn = new Random(); int n; for(int i=1;i<=720;i++) { n = rn.nextInt(6) +5; System.out.print(n); System.out.print(\' \'); System.out.println(i); } } } Solution import java.util.Random; public class randomCalls { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Random rn = new Random(); int n; for(int i=1;i<=720;i++) { n = rn.nextInt(6) +5; System.out.print(n); System.out.print(\' \'); System.out.println(i); } } }.