L,R,d=list(map(int, input().split()))

cnt=0

 

for i in range(L, R+1):

  if i%d == 0: cnt+=1

  

print(cnt)
L,R,d=list(map(int, input().split()))

print((R//d-(L-1)//d))
L, R, d = list(map(int, input().split()))
cnt = 0
for i in range(L, R + 1):
    if i % d == 0:
        cnt += 1
print(cnt)

L, R, d = list(map(int, input().split()))
print((R // d - (L - 1) // d))

-cnt = 0 -for i in range(L, R + 1): -    if i % d == 0: -        cnt += 1 -print(cnt) +print((R // d - (L - 1) // d))