// File: cd.cpp
// Build consecutive digit integer

#include <iostream>

using namespace std;

int main()
{int start,digits;
 cout << "Give the first digit >";
 cin >> start;
 // Error check
 if (start < 0 || start > 9) {
	 cout << "Error:  Bad Starting digit\n";
        return(-1);
 }
 cout << "How many digits in the number? >";
 cin >> digits;

 // Build the number
 int holdStart=start, 
 number=start; start=(start+1)%10; 
 for (int i=1;i<digits;i++) {
        // append the new digit
        number=(number*10)+start;
        start=(start+1)%10;
 }
 cout << "The number, with " << digits << 
" digits, starting from " << holdStart << 
 " is " << number << endl;
}