Untitled

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


int main()
{
	string s;
	cin >> s;
	for (int i = 0; i < s.length(); i++)
	{
		if (s[i] % 2 == 1) {
			s[i] = '0';
		}
	}
	cout << s;
}