#include <iostream>
#include <string>
#include <algorithm>
#include <iterator>
 
int main() {
  while ([](std::string s, std::string even) -> bool {
    while(std::getline(std::cin, s), !std::cin.fail()) {
      while(std::cout.put((std::find_first_of(std::prev(s.end(), 1),
                                              s.end(),
                                              even.begin(),
                                              even.end()) == s.end()) ? '0' : '1'),
            0) {}
    }     
  }("", "02468")) {}
}

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MjIKNTYxCi0xNDQKMjc4MAozMzMK

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