//100/100
//Memory: 1.76 MB Time : 0.388 s
#include <iostream>

#define DNA_LENGTH 6
#define DOT 46

using namespace std;

int main()
{
    char ch, result[DNA_LENGTH]{ 0 };
    size_t currIndex = 0;
    while ((ch = getchar()) != DOT)
    {
        result[currIndex++] ^= ch;
        if (currIndex == DNA_LENGTH - 1)
            currIndex = 0;
    }

    cout << result << endl;

    return 0;
}