import math

a = int(eval(input()))

b = int(eval(input()))

c = int(eval(input()))

x = int(eval(input()))

ans = 0



for i in range(a+1):

  for j in range(b+1):

    for k in range(c+1):

      if i*500+j*100+k*50 == x:

        ans += 1

print(ans)





a=int(eval(input()))

b=int(eval(input()))

c=int(eval(input()))

x=int(eval(input()))

ans=0

for i in range(a+1):

  for j in range(b+1):

    for k in range(c+1):

      if x==500*i+100*j+50*k:

        ans+=1

print(ans)

      



import math

a = int(eval(input()))
b = int(eval(input()))
c = int(eval(input()))
x = int(eval(input()))
ans = 0
for i in range(a + 1):
    for j in range(b + 1):
        for k in range(c + 1):
            if i * 500 + j * 100 + k * 50 == x:
                ans += 1
print(ans)

a = int(eval(input()))
b = int(eval(input()))
c = int(eval(input()))
x = int(eval(input()))
ans = 0
for i in range(a + 1):
    for j in range(b + 1):
        for k in range(c + 1):
            if x == 500 * i + 100 * j + 50 * k:
                ans += 1
print(ans)

-import math - -            if i * 500 + j * 100 + k * 50 == x: +            if x == 500 * i + 100 * j + 50 * k: