A program to print 3 armstrong numbers

Statement : A program to print 3 armstrong numbers
Code : 

// A program to print 3 armstrong numbers

#include<iostream>

using namespace std;

void main()

{

           cout << "\t\t\tArmstrong Numbers Between Interval\n\n";

              int num1, num2, i, n, b, s;

              int j = 1; //variable for printing counting

              cout << "Enter First Number: ";

              cin >> num1;

              cout << "Enter Second Number: ";

              cin >> num2;

              cout << "Armstrong Numbers Between " << num1 << " And " << num2 << " Are:- " << endl;

              for (i = num1; i <= num2; i++)

              {

                     s = 0;

                     n = i;

                     while( n>0 )

                     {

                           b = n % 10;

                           s = s + b*b*b; //will add cube of the number

                            n = n / 10;

                     }

                     if (s == i)

                     {

                           cout <<j<<". "<< i << endl;

                           j++; //for formated output

                     }

              }

       cout << "\n";

       system("pause");

}