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- import sys
- try:
- a = int(sys.argv[1])
- except ValueError:
- print(0)
- exit(0)
- except IndexError:
- print(0)
- exit(0)
- try:
- b = int(sys.argv[2])
- except ValueError:
- print(0)
- exit(0)
- except IndexError:
- print(0)
- exit(0)
- print(a + b)
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