/**
*
* Solution to homework task 2
* Introduction to programming course
* Faculty of Mathematics and Informatics of Sofia University
* Winter Semester 2018/2019
*
* @author Andrey Kirilov Stoev
* @idnumber 62369
* @task 2
* @compiler VC
*/

#include <iostream>
#include <string>
using namespace std;

int main()
{

	int number;
	short digit;
	cout << "Enter a natural number: " << endl;

	while (!(cin >> number))
	{
		cin.clear();		// reset input
		while (cin.get() != '\n')
			continue;	// get rid of bad input
		cout << "Please enter an integer number, that doesn't work: " << endl;
	}

	cout << "Enter a digit: " << endl;

	while (!(cin >> digit))
	{
		cin.clear();		// reset input
		while (cin.get() != '\n')
			continue;	// get rid of bad input
		cout << "Please enter a digit, that doesn't work: " << endl;
			   	}

	int counter = 0;

	while (number != 0)
	{
		if (number % 10 == digit)
		{
			counter++;
		}
		number /= 10;
	}
	cout << "The number of occurrences of the digit in the number is: " << counter;

	int variableForWindowClosing;
	cin >> variableForWindowClosing;
}