C++ || VERY SIMPLE
Code\n```\nclass ParkingSystem {\npublic:\n    int x , y, z;\n    ParkingSystem(int big, int medium, int small) {\n        x = big,y = medium,z = small;\n    }\
# Code\n```\nclass ParkingSystem {\npublic:\n    int x , y, z;\n    ParkingSystem(int big, int medium, int small) {\n        x = big,y = medium,z = small;\n    }\n    \n    bool addCar(int carType) {\n        if(carType == 1){\n            if(x>0){\n                x--;\n                return true;\n            }else return false;\n        }else if(carType == 2){\n                if(y>0){\n                    y--;\n                    return true;\n                }return false;\n            }else if(carType == 3){\n                if(z>0){\n                    z--;\n                    return true;\n                }return false;\n            }\n            return false;\n    }\n};
['Math', 'Design', 'Simulation', 'Counting', 'C++']