class Circle:
    def __init__(self, r_i, x_i, y_i, vx_i, vy_i) -> None:
        super().__init__()
        self.vy = vy_i
        self.vx = vx_i
        self.y = y_i
        self.x = x_i
        self.r = r_i

    def touches(self, circle):
        if ((self.x - circle.x) ** 2 + (self.y - circle.y) ** 2) ** (1 / 2) <= (circle.r + self.r):
            return True
        return False


N, T, dt = map(int, input().split())
circles = []
for i in range(N):
    r_i_inp, x_i_inp, y_i_inp, vx_i_inp, vy_i_inp = map(int, input().split())
    circles[i] = Circle(r_i_inp, x_i_inp, y_i_inp, vx_i_inp, vy_i_inp)

collisions_number = 0
for time in range(0, T + 1, dt):
    for i in range(N):
        circles[i].x += circles[i].vx
        circles[i].y += circles[i].vy

    for i in range(N):
        for j in range(i + 1, N):
            if circles[i].touches(circles[j]):
                collisions_number += 1