print("please enter length")
l = read()
print("please enter width")
w = read()
print("please enter height")
L = tonumber(l)
W = tonumber(w)
H = tonumber(h)
C1 = 0
C2 = 0
C3 = 0
while C1 < L do
turtle.dig()
turtle.forward()
C1 = C1 + 1