25 lines
543 B
Python
25 lines
543 B
Python
def getBASIC():
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res = []
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x=""
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while not "END" in x.split():
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x = input()
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res.append(x)
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return res
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def findLine(prog, target):
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for i in prog:
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if i.split()[0] == target:
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return prog.index(i)
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def execute(prog):
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lines = set()
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location = 0
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while True:
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lines.add(location)
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if location==len(prog)-1: return "success"
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location = findLine(prog, prog[location].split()[-1])
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if location in lines: return "infinite loop"
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if __name__ == "__main__":
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print(execute(getBASIC()))
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