def VM(code):
    A = 0
    J = {}
    loop = []
    func = {}
    Qem = [0,""]
    Tuj=0
    Swelt = 0
    Foo = 0
    F=0
    Julia = code.split(" ")
    while A < len(Julia):
        while (Foo == 1 and Julia[A] == "</func>"):
            A += 1
        Foo = 0
        if Julia[A] == "!":
            J[Julia[A+1]] = [None]*Qem[0]
            Qem[0] = 0
        elif Julia[A] == "!+":
            J[Julia[A+1]] = [n for n in range(Qem[0])]
            Qem[0] = 0
        elif Julia[A] == "ZERO":
            Qem[0] = 0
        elif Julia[A] == "?":
            Tuj=0
            Qem[1] = Julia[A+1]
        elif Julia[A] == "?+":
            Tuj+=1
        elif Julia[A] == "?-":
            Tuj-=1
        elif Julia[A] == "=":
            Je = 0
            for Ji in J[Qem[1]]:
                if Ji == None:
                    J[Qem[1]][Je] = Tuj
                    break
                Je+=1
        elif Julia[A] == "[+]":
            Swelt += 1
        elif Julia[A] == "Length":
            Qem[0] = len(J[Julia[A+2]])-1
        elif Julia[A] == "+":
            Je = 0
            for Ji in J[Qem[1]]:
                if Ji == None:
                    J[Qem[1]][Je] = 0
                    break
                Je+=1
            else:
                J[Qem[1]][Qem[0]] += 1
        elif Julia[A] == "(+)":
            J[Julia[A+1]][Qem[0]] = J[Julia[A+1+1]][Qem[0]-(1*(Swelt % 2))] + J[Julia[A+1+1+1]][Qem[0]-(2*(Swelt % 2))]
        elif Julia[A] == "N":
            Je = 0
            for Ji in J[Qem[1]]:
                if Ji == None:
                    J[Qem[1]].pop(Je)
                    break
                Je+=1
        elif Julia[A] == "Copy":
            J[Julia[A+1]].append(J[Julia[A+1]][-1])
        elif Julia[A] == "/+":
            Qem[0] += 1
        elif Julia[A] == "-":
            Je = 0
            for Ji in J[Qem[1]]:
                if Ji == None:
                    J[Qem[1]][Je] -= 1
                    break
                Je+=1
            else:
                J[Qem[1]][Qem[0]] += 1
        elif Julia[A] == "sey":
            print(J[Julia[A+1]],end="")
        elif Julia[A] == "<loop>":
            loop.append([A,1])
        elif Julia[A] == "<func>":
            func[Julia[A+1]] = A+1
            Foo = 1
        elif Julia[A] == "</func>":
            A = F
        elif Julia[A] == "package":
            F = A+1
            A = func[Julia[A+1]]
        elif Julia[A] == "</loop>":
            if loop[-1][1] == 1:
                loop[-1][1] = 0
                A = loop[-1][0]
            else:
                loop.pop()
        elif Julia[A] == "$":
            J[Julia[A+1]] = Julia[A+1]
            
        A += 1
    print("\n")
VM("/+ /+ /+ ! A ? A + + + + + Length [+] A (+) A A A sey A")
VM("/+ !+ A $ aho $ baka $ kas <loop> <func> Gork sey aho sey baka sey kas </func> package Gork gon </loop>")