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())