#include<bits/stdc++.h>
using namespace std;
 
int main(){
string s,s2,s1[10]={"000","001","010","011","100","101","110","111"};
    cin>>s;
    for(int i=0;i<s.size();i++){
        s2=s2+s1[s[i]-48];
    }
    while(s2[0]=='0'){
        s2.erase(0,1); 
    }
    if(s2==""){
        cout<<"0";
    }else{
        cout<<s2;
    }
}
 
/**************************************************************
	Problem: 1359
	User: chenlingxuan
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2080 kb
****************************************************************/