Golovanich Triangle Madeness

#include <iostream>
void main()
{
char itemMenu = 0, symbol = '*';
const int sizeBox = 15;
while (itemMenu < 'a' or itemMenu > 'j') {
if (itemMenu != 0) { std::cout << "Your choise isn't correct ...\n\n";}
std::cout << "Select figure from a ... j ->"; std::cin >> itemMenu;
}
bool topTriangle = (itemMenu == 'c') || (itemMenu == 'a') || (itemMenu == 'e') || (itemMenu ==
'i');
bool leftTriangle = (itemMenu == 'g') || (itemMenu == 'b') || (itemMenu == 'f') || (itemMenu ==
'i');
bool bottonTriangle = (itemMenu == 'd') || (itemMenu == 'b') || (itemMenu == 'e') || (itemMenu
== 'j');
bool rightTriangle = (itemMenu == 'h') || (itemMenu == 'a') || (itemMenu == 'f') || (itemMenu
== 'j');
for (int x = 0; x < sizeBox; x++) {
for (int y = 0; y < sizeBox; y++) {
symbol = ' ';
if (topTriangle && (y >= x) && (sizeBox - x > y)) { symbol = '*';}
if (rightTriangle && (y >= x) && (sizeBox - x <= y + 1)) { symbol = '*'; }
if (leftTriangle && (x >= y) && (sizeBox - x > y)) { symbol = '*'; }
if (bottonTriangle && (x >= y) && (sizeBox - x <= y + 1)) { symbol = '*';}
std::cout << symbol;
}
std::cout << std::endl;
}
std::cout << "\n\n";
}