def VM(code):
    A = 0
    J = lambda f,x:f(x)
    T = 0
    flag = 0
    loop=[]
    fx = [lambda x:x+1,0]
    FX = [lambda x:x+1, lambda x:x-1, lambda x:x*2,lambda x:x/2]
    memor=0
    while A < len(code):
        if code[A] == "/":
            flag = 1-flag

        elif code[A] == "¥":
            if flag == 1:
                oldJ = J
                J = lambda f, x: oldJ(f,f(x))
            else:
                fx[0] = FX[T]
                T = (T+1) % len(FX)

        elif code[A] == ".":
            if flag == 0:
                return J(fx[0], fx[1])
            else:
                print(chr(int(fx[1])), end="")

        elif code[A] == ",":
            if flag == 0:
                fx[1] = J(fx[0], fx[1])
            else:
                FX.append(lambda x, J=J, f=fx[0]: J(f, x))
                J = lambda f,x:f(x)
        elif code[A] == "[":
            loop.append([A,1])
        elif code[A] == "]":
            if loop[-1][1] == 1:
                A = loop[-1][0]
                loop[-1][1] = 0
            else:
                loop.pop(-1)
        elif code[A] == "0":
            fx[0] = FX[0]
            J = lambda f,x:f(x)
            
        elif code[A] == "+":
            fx[1] = memor
        elif code[A] == "-":
            memor = fx[1]
        A += 1

VM("""
//,¥¥¥/¥/,[
    //,
]
-[
    ¥
]
[
    [
        //,
    ]
]/./+0[[//,]]//,/./[[[//,]]]¥//,[/./]0[//,]//,/./
""")