#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s;
    cin>>s;
    string c;
    for(int i=0;i<s.size();i++)
    {
    	string a[105]={"000","001","010","011","100",
		"101","110","111"};
		c=c+a[s[i]-48];
	}
	while(c[0]=='0')
    {
    	c.erase(0,1);
	}
	cout<<c;
	return 0;
}
/**************************************************************
	Problem: 1359
	User: chenkexin
	Language: C++
	Result: Wrong Answer
****************************************************************/