base $=$ int$($input$("$Enter arrow base width: $"))$

head $=$ int$($input$("$Enter arrow head width: $"))$

while head $<=$ base:

print$("$Error: arrow head width must be larger than arrow base width."$)$

head $=$ int$($input$("$Enter arrow head width: $"))$

arrow$\_$base $=""$

arrow$\_$head $=""$

for i in range$($base$)$:

arrow$\_$base $+="*"$

for i in range$($head$)$:

arrow$\_$head $+="*"$

print$($arrow$\_$base$)$

print$($arrow$\_$base$)$

print$($arrow$\_$base$)$

print$($arrow$\_$base$)$

print$($arrow$\_$base$)$

while head $>0$:

print$($arrow$\_$head$)$

arrow$\_$head $=$ arrow$\_$head$[$:$-1]$

head $-=1$