des 3,-1 l
thres d 3,-1 0
des 5,-1 k
thres d 5,-1 0
thres h 5,-1 1
thres c 7,-1 769
thres i 7,-1 999
thres l -6,0 300
thres o -6,0 150
thres d -6,0 30
thres c -6,0 400
bmap #1
cen *
map #
read y
prod *
