#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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