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    def returned():
        rd = list(map(int,input().split()))
        dd = list(map(int, input().split()))
        if rd[2] < dd[2]:
            return 0
        elif rd[2] > dd[2]:
            return 10000
        elif rd[1] < dd[1]:
            return 0
        elif rd[1] > dd[1]:
            h = (rd[1] - dd[1]) * 500
            return h
        elif rd[0] > dd[0]:
            h = (rd[0] - dd[0]) * 15
            return h
        else:
            return 0
    
    print(returned())