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

int main() {
    string nro;
    int suma;
    while (cin >> nro && nro != "#") {
        suma = 0;
        for (int i = 0; i < nro.length()-1; i++)
            suma += nro[i] - '0';
        nro[nro.length()-1] = (nro[nro.length()-1] == 'e') ? '0' + suma % 2 : '1' - suma % 2;
        cout << nro << endl;
    }
    return 0;
}