def arrange$\_$chairs$($num$\_$tables, chair$\_$colors$)$:

if max$($chair$\_$colors$)>$ num$\_$tables $*4$:

return $"$NE$"$

for color in chair$\_$colors:

if color $>$ num$\_$tables:

return $"$NE$"$

return $"$DA$"$

# Sample Input

num$\_$tables, num$\_$chair$\_$colors $=$ map$($int$,$ input$().$split$())$

chair$\_$colors $=$ list$($map$($int$,$ input$().$split$()))$

# Output result

result $=$ arrange$\_$chairs$($num$\_$tables, chair$\_$colors$)$

print$($result$)$