l = {}
for i = 1, 3, 1 do
    s = io.read()
    if(s == "NONE") then
        l[i] = 16
    else
        c = 15
        for w in string.gmatch(s, ",") do
            c = c - 1
        end
        l[i] = c
    end
end
io.write((l[1]*l[2]*l[3])^2)
io.write("\n")