dr, mr, yr = map(int, input().split())
dd, md, yd = map(int, input().split())
fine = 0
if yr > yd:
    fine = 10000
elif yr == yd:
    if mr > md:
        fine = 500 * (mr-md)
    elif mr == md:
        if dr > dd:
            fine = 15 * (dr-dd)
print(fine)