Chapter4_Loops_Ex9

import java.util.Scanner;
/*
    =====================================================
                   chapter 4: Loops

      Ex9: new number only 9 digits
    =====================================================
*/

public class MyProgram {
    public static void main(String[] args) {

        //variables
        int num1,num2;
        int tmp1,tmp2;
        int countDig,digit;
        int location=1;
        int maxDigit=0;
        int res=0;
        Scanner s=new Scanner(System.in);

        //user input
        System.out.println("Enter 2 numbers with the same number of digits: ");
        num1=s.nextInt();       //number-digits for counter
        num2=s.nextInt();      // number- digits to repeat

        //keeping the numbers intact
        tmp1=num1;
        tmp2=num2;

        while(tmp1>0 && maxDigit<9){
            countDig=tmp1%10;
            digit=tmp2%10;
            for(int i=0;i<countDig;i++)
            {
                if(maxDigit<9) {
                    res += digit * location;
                    location *= 10;
                    maxDigit++;
                }
            }
            tmp1/=10;
            tmp2/=10;
        }
        System.out.println(res);
    }
}