

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



ans = 0



while (y + z) * ans <= (x - z):

    ans += 1

#    print((y + z) * ans)

#    print(ans)



print((ans-1))



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

ans = int((x-z)//(y+z))

print(ans)

x, y, z = list(map(int, input().split()))
ans = 0
while (y + z) * ans <= (x - z):
    ans += 1
#    print((y + z) * ans)
#    print(ans)
print((ans - 1))

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

-ans = 0 -while (y + z) * ans <= (x - z): -    ans += 1 -#    print((y + z) * ans) -#    print(ans) -print((ans - 1)) +ans = int((x - z) // (y + z)) +print(ans)