using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace _1
{
    enum logicValue { low, high, unknown }
    class pin
    {
        public string name;
        public logicValue value;
        public pin(string pname)
        {
            name = pname;
            value = logicValue.unknown;
        }
    }

    enum gateType { and, or, xor, not, invalid }
    class gate
    {
        public List<pin> inputPins;
        public List<pin> outputPins;
        public gateType gt;
        public bool solved;

        public gate()
        {
            inputPins = new List<pin>();
            outputPins = new List<pin>();
            solved = false;
        }

        public gate(string type)
        {
            inputPins = new List<pin>();
            outputPins = new List<pin>();
            solved = false;
            switch (type)
            {
                case "and":
                    gt = gateType.and;
                    break;

                case "or":
                    gt = gateType.or;
                    break;

                case "xor":
                    gt = gateType.xor;
                    break;

                case "not":
                    gt = gateType.not;
                    break;

                case "invalid":
                    gt = gateType.invalid;
                    break;
}
        }

        public void addIPin(pin p)
        {
            inputPins.Add(p);
        }

        public void addOPin(pin p)
        {
            outputPins.Add(p);
        }
    }
}