Задача с if-else по-сложно условие

#include "stdafx.h"

#include <iostream>
#include <string>
using namespace std;

//  http://alfa.kachi-snimka.info/images-2013/klz1575465767s.PNG

int main()
{
    int k;
    bool v;
    char c;
    cout << "Enter a number k between 500 and 5000: ";
    do
        cin >> k;
    while ( !(k >= 500 && k <= 5000) );
    cout << "Enter a boolean value v (0 or 1): ";
    cin >> v;
    cout << "Enter a char c: ";
    cin.ignore();
    cin >> c;
    cout << "k = " << k << ", v = " << v << ", c = " << c << endl;
    int func;

    if ((k % 5 == 0 || k % 7 == 0) && v == false && (c == 'z' || c == 'f' || c == 'y'))
        func = 52;
    else
        if ((k % 3 == 0 || k % 11 == 0) && v == true && (c == 'W' || c == 'w'))
            func = 63;
        else
            if ((k % 3 != 0) && v == false && (c == 'J' || c == 'F'))
                func = 74;
            else
                func = -85;
    cout << "Function result is " << func;

    return 0;
}