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28 lines
775 B

code = input()
l = len(code)
acc = 0
pos = 0
incr = 1
num_lookup = { "zero": 0, "one": 1, "two": 2, "three": 3, "four": 4, "five": 5, "six": 6, "seven": 7, "eight": 8, "nine": 9 }
while pos < l:
char = code[pos]
if char == "i":
h, g = list(range(pos + 1, l)), list(range(pos - 1, 0, -1))
for i in h + g if incr == 1 else g + h:
if code[i] == "i":
pos = (i + 1) % l
break
continue
elif char == "p": pos += incr
elif char == "a": acc += 1
elif char == "e": acc -= 1
elif char == "v": incr *= -1
elif char == "~":
acc = 0
for x, n in enumerate(reversed(input().split(" "))): acc += 10**x * num_lookup[n]
elif char == "`": print(end=chr(acc))
elif char == "[":
if acc != 0:
acc = int(str(acc) + bin(acc)[2:])
else: print("wrong.")
pos += incr