x,y,z=list(map(int,input().split()))



x = x - z

sum = 0

cnt = 0

while sum <= x:

    sum += y + z

    cnt += 1

print((cnt - 1))

x,y,z=list(map(int,input().split()))

print(((x-z)//(y+z)))
x, y, z = list(map(int, input().split()))
x = x - z
sum = 0
cnt = 0
while sum <= x:
    sum += y + z
    cnt += 1
print((cnt - 1))

x, y, z = list(map(int, input().split()))
print(((x - z) // (y + z)))

-x = x - z -sum = 0 -cnt = 0 -while sum <= x: -    sum += y + z -    cnt += 1 -print((cnt - 1)) +print(((x - z) // (y + z)))