#include<bits/stdc++.h>
using namespace std;
int main(){
    string s[100]={"000","001","010","011","100","101","110","111"},s1,s2;
    cin>>s1;
    for(int i=0;i<s1.size();i++){
    	s2=s2+s[s1[i]-48];
    }
    while(s2[0]=='0'){
    	s2.erase(0,1);
    }
    if(s2==""){
    	cout<<0;
    }else{
    	cout<<s2;
    }
	return 0;
}

/**************************************************************
	Problem: 1359
	User: jiangyuanfeng
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2080 kb
****************************************************************/