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

int main() {
    string s1;
    getline(cin,s1);
    for(int i = 0;i<s1.size();i++){
        if((s1[i]-'0')%2 == 0){
            s1[i] = '0';
        }
        else{
            s1[i] = '1';
        }
    }
    cout<<stoi(s1);
    return 0;
}