소스 코드 제출

# n=[]

# c=[]

#

# for i in range(4):

#

# x,y=input().split()

# x=float(x)

# y=float(y)

# n.append(x)

# c.append(y)

# o=0

# for i in range(4):

# f=0

# x = (c[i]-n[i]) * 60

# o+=x

# if x<=60:

# continue

# elif x<=300:

# x+=x/20

# f+=x

#

# if o >= 900:

# f=f-f/20

# elif o > 240:

# x=240

# f+=x

# x=f//30*5000

#

# x=int(x)

#

# print(x)

t = 0

a=0

r=0

for i in range(4):

x,y=map(float,input().split())

t=y-x-1

if y-x<=1: # 일한시간이 1시간 이하면

continue

if t>=5:

t=4

a+=t

r+=t

print(r)

if a >= 15:

r=r-r/20

elif a<=5:

r=r+r/20

x=r*10000

x=int(x)

print(x)

#

# 3.0 -> 2.0

# 3.5 -> 2.5

# 4.0 -> 3.0

# 4.5 -> 3.5

# 5.0 -> 4.0

# 5.5 -> 4.0

# 6.0 -> 4.0