34 lines
615 B
Python
34 lines
615 B
Python
def problem_p03280(input_data):
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import sys
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# 関数 solve は，もちろん，問題に応じて書き換える
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def solve(a, b):
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s = int(a) - 1
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r = int(b) - 1
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return s * r
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# ここから下は，入力・出力形式が同じであれば，変えなくて良い．
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def readQuestion():
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line = sys.stdin.readline().rstrip()
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[str_a, str_b] = line.split(" ")
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return (int(str_a), int(str_b))
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def main():
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a, b = readQuestion()
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answer = solve(a, b)
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return answer
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if __name__ == "__main__":
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main()
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