#include <iostream>
using namespace std;
void main()
{
	int yourNumber = 0, rightDigit = 0, newNum = 0;
	cout << "please enter your number here ---> ";
	cin >> yourNumber;
	while (yourNumber > 0)
	{
		rightDigit = yourNumber % 10;
		if (rightDigit > 0)
		{
			newNum *= 10;
			newNum += rightDigit;
		}
		yourNumber /= 10;
	}
         cout << newNum << endl;
}