a=5; b=3; cout << a << "=Z(" << b << ")";
a=5; b=3; cout << "a,=Z(" << b << ")";
a=5; b=3; cout << "Z(a)=(b)";
a=5; b=3; cout << "Z(" << a << ")=(" << b << ")";
5+3=?
Z(5)=F(3)
a=5;b=3;