import java.util.Scanner;  // Needed for accepting input

 public class ProjectOneAndreD
 {


    public static void main(String[] args)
    {
        String input1;
        char coln = ':';
        int val=0, rad=0, answer=0, check1=0;

            Scanner keyboard = new Scanner(System.in);  //creates new scanner class
            do
        {
            System.out.println("****************************************************");
            System.out.println("             This is Project 1. Enjoy!              ");     //title
            System.out.println("****************************************************\n\n");

            System.out.println("Enter a number, : and then the radix, followed by the Enter key.");
            System.out.println("INPUT EXAMPLE:  160:2   {ENTER} ");     //example

            System.out.print("INPUT:  ");               //prompts user input.
            input1 = keyboard.nextLine();       //assigns input to string input1


            check1=input1.indexOf(coln);

            if(check1==-1)
            {
                System.out.println("I think you forgot the ':'.");

            }
            else
            {
                System.out.println("found ':'");

            }
            }while(check1==-1);










    }
 }