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boot_code = list()
with open("input", "r") as file:
for line in file:
line = line.strip()
oparg = line.split(" ")
boot_code.append((oparg[0], int(oparg[1])))
cursor = 0
accumulator = 0
sofar = set()
while cursor not in sofar:
sofar.add(cursor)
if boot_code[cursor][0] == "acc":
accumulator += boot_code[cursor][1]
elif boot_code[cursor][0] == "jmp":
cursor += boot_code[cursor][1] - 1
else:
pass
cursor += 1
print(accumulator)
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