#include <string>
#include <iostream>
#include <cmath>

bool ishex(char j)
{
    if(std::isdigit(j) || j == 'A'|| j == 'B'|| j == 'C'|| j == 'D'|| j == 'E'|| j == 'F')
    {
        return true;
    }
    return false;
}

int main()
{
    int a=0, b=0, c=0;
    for(int i = 0; i < 3; ++i)
    {
        std::string in;
        getline(std::cin, in);
        if(ishex(*in.begin()))
        {
            for(auto& j : in)
            {
                if(ishex(j))
                {
                    switch(i)
                    {
                        case 0:
                            ++a; break;
                        case 1:
                            ++b; break;
                        case 2:
                            ++c; break;
                    }
                }
            } 
        }
    }
    a = (16-a)*(16-a);
    b = (16-b)*(16-b);
    c = (16-c)*(16-c);
    std::cout << a*b*c << std::endl;
    return 0;
}