Bool functionalists

#include <iostream>

using namespace std;

bool implication(bool alpha, bool beta)
{
    bool result;
    if (alpha <= beta)
        result = true;
    else
        result = false;
    return result;
}
bool func(bool x,bool y, bool z)
{
    bool F1,F2,F3,F4,calc;
    F1 = !x || !y;
    F3 = y && z;
    F2 = implication(F3, x);
    F4 = !F2;
    calc = implication(F1, F4);
    return calc;
}
int main()
{
    bool A,B,C,res;
    cout << "Введите значения А,B,С: ";
    cin >> A >> B >> C;
    res = func(A,B,C);
    cout << res << endl;
    return 0;
}