#include <iostream>

using namespace std;

int main() {
     int i{0};
     int endValue{0};
     int startValue{0};
  
     cout << "Enter a positive value to stop at" << endl;
     cin >> endValue;

     i = 1;
     while ( i <= endValue) {
         cout << i << " ";
         i++;
     }
     cout << endl;

     cout << "In reverse" << endl;

     i = endValue;
     while ( i > 0 ) {
         cout << i << " ";
         i--;
     }
     cout << endl << endl;

     cout << "Enter a start value: ";
     cin >> startValue;

     //cout << "Starting at " << startValue << " ending at " << endValue << endl;
     if (startValue > endValue) {
         // count in reverse
         i = startValue;
         //cout << "Before the loop, i = " << i << endl;
         while (i >= endValue) {
            cout << i << " ";
            i--;
         }
     } else {
         // count forward
         i = startValue;
         while (i <= endValue) {
             cout << i << " ";
             i++;
         }
     }
     cout << endl;


     return 0;
}