def VM(code):
    A = 0
    J = 0
    loop = []
    while A < len(code):
        if code[A] == "":
           
        elif code[A] == "":
            
        elif code[A] == "[":
            loop.append([A,1])
        elif code[A] == "]":
            if loop[-1][1] == 0:
                loop.pop()
            else:
                loop[-1][1] = 0
                A = loop[-1][0]
        A += 1