## broken btw #therewasanattempt
# 123 -> x - signal 123 provided to x
with open("./input", "r") as f:
    instructions = f.read().split("\n")

wires = []

## get all wires or sum shit idk
for instruction in instructions:
    alreadyFound = False
    wireIdentifier = instruction.split(" -> ")[1].replace(" -> ", "")
    if wires != []:
        for wire in wires:
            if wire["identifier"] == wireIdentifier:
                alreadyFound = True
    if not alreadyFound:
        wires.append({"identifier": wireIdentifier, "signal": 0})

## ok now do the operations
for instruction in instructions:
    if instruction != "":
        if "AND" in instruction:
            """x AND y -> d"""
            fi = instruction.split(" AND ")[0]
            si = instruction.split(" AND ")[1].replace(" AND ", "").split(" -> ")[0]
            di = instruction.split(" AND ")[1].replace(" AND ", "").split(" -> ")[1].replace(" -> ", "")
            fv = 0
            sv = 0
            for wire in wires:
                if wire['identifier'] == fi:
                    fv = wire['signal']
                elif wire['identifier'] == si:
                    sv = wire['signal']
            for wire in wires:
                if wire['identifier'] == di:
                    wire['signal'] = fv & sv
                    print(wire, fi,si,fv,sv, "INSTRUCTION TYPE AND")
        elif "OR" in instruction:
            """x OR y -> e"""
            fi = instruction.split(" OR ")[0]
            si = instruction.split(" OR ")[1].replace(" OR ", "").split(" -> ")[0]
            di = instruction.split(" OR ")[1].replace(" OR ", "").split(" -> ")[1].replace(" -> ", "")
            fv = 0
            sv = 0
            for wire in wires:
                if wire['identifier'] == fi:
                    fv = wire['signal']
                elif wire['identifier'] == si:
                    sv = wire['signal']
            for wire in wires:
                if wire['identifier'] == di:
                    wire['signal'] = fv | sv
                    print(wire, fi,si,fv,sv, "INSTRUCTION TYPE OR")
        elif "LSHIFT" in instruction:
            """x RSHIFT [ammount] -> e"""
            fi = instruction.split(" LSHIFT ")[0]
            ammount = instruction.split(" LSHIFT ")[1].replace(" LSHIFT ", "").split(" -> ")[0]
            di = instruction.split(" LSHIFT ")[1].replace(" LSHIFT ", "").split(" -> ")[1].replace(" -> ", "")
            fv = 0
            for wire in wires:
                if wire['identifier'] == fi:
                    fv = wire['signal']
            for wire in wires:
                if wire['identifier'] == di:
                    wire['signal'] = fv << int(ammount)
                    print(wire, fi,si,fv,sv, "INSTRUCTION TYPE RSHIFT")
        elif "RSHIFT" in instruction:
            """x RSHIFT [ammount] -> e"""
            fi = instruction.split(" RSHIFT ")[0]
            ammount = instruction.split(" RSHIFT ")[1].replace(" RSHIFT ", "").split(" -> ")[0]
            di = instruction.split(" RSHIFT ")[1].replace(" RSHIFT ", "").split(" -> ")[1].replace(" -> ", "")
            fv = 0
            for wire in wires:
                if wire['identifier'] == fi:
                    fv = wire['signal']
            for wire in wires:
                if wire['identifier'] == di:
                    wire['signal'] = fv >> int(ammount)
                    print(wire, fi,si,fv,sv, "INSTRUCTION TYPE RSHIFT")
        elif "NOT" in instruction:
            """NOT x -> h"""
            wi = instruction.replace("NOT ", "").split(" ->")[0]
            di = instruction.replace("NOT ", "").split(" ->")[1].replace(" -> ", "")
            wv = 0
            for wire in wires:
                if wire['identifier'] == wi:
                    wv = wire['signal']
            for wire in wires:
                if wire['identifier'] == di:
                    wire['signal'] = ~wv
                    print(wire, fi,si,vw, "INSTRUCTION TYPE NOT")
        else:
            """123 -> x"""
            if not instruction.split(" -> ")[0].isdigit:
                value = int(instruction.split(" -> ")[0])
                di = instruction.split(" -> ")[1].replace(" -> ", "")
                for wire in wires:
                    if wire['identifier'] == di:
                        wire['signal'] = value
                        print(wire, value, "INSTRUCTION TYPE SET")
            else:
                wi = instruction.split(" -> ")[0]
                value = 0
                for wire in wires:
                    if wire['identifier'] == wi:
                        value = wire['signal']
                di = instruction.split(" -> ")[1].replace(" -> ", "")
                for wire in wires:
                    if wire['identifier'] == di:
                        wire['signal'] = value
                        print(wire, value, "INSTRUCTION TYPE SET")

for wire in wires:
    if wire['identifier'] == "a":
        print(wire['signal'])