import sys
import readchar
def block(code):
    opened = []
    blocks = {}
    for i in range(len(code)):
        c = ord(code[i])
        c = c>>2&4|c&3
        if c == 7:
            opened.append(i)
        elif c == 5:
            blocks[i] = opened[-1]
            blocks[opened.pop()] = i
    return blocks

def parse(code):
    return ''.join(c for c in code if c > ' ')

def run(code):
    code = parse(code)
    x = [0]
    i = [0]
    bf = {0: 0}
    blocks = block(code)
    l = len(code)
    procs = (
        (lambda: bf.__setitem__(x, ord(readchar()))),
        (lambda: (bf[x[0]] == 0 and [bf.__setitem__(x[0], 255)] or [bf.__setitem__(x[0], bf[x[0]] - 1)])[0]),
        (lambda: print(chr(bf[x[0]]), end='')),
        (lambda: (bf[x[0]] == 255 and [bf.__setitem__(x[0], 0)] or [bf.__setitem__(x[0], bf[x[0]] + 1)])[0]),
        (lambda: x.__setitem__(0, x[0] - 1)),
        (lambda: bf[x[0]] and i.__setitem__(0, blocks[i[0]])),
        (lambda: (x.__setitem__(0, x[0] + 1), bf.setdefault(x[0], 0))),
        (lambda: not bf[x[0]] and i.__setitem__(0, blocks[i[0]])))
    while i[0] < l:
        sym = ord(code[i[0]])
        sym = sym>>2&4|sym&3
        procs[sym]()
        i[0] += 1

f = open(sys.argv[1], 'r')
code = f.read()
f.close()
run(code)