storage

while true do
print("Vitejte v automatizovane vydejne stavebnich materialu.")
print("Stone = S, Glass = G, sandstone = SS, Dirt = D, red granite = RG, black granite = BG")
print("Jaky material potrebujete?")
local material = read()
print("Kolik stacku?")
local mnozstvi = read()

if material == "RG" or "rg" then
    redstone.setBundledOutput("back", colors.blue)
    sleep(2*tonumber(mnozstvi))
    redstone.setBundledOutput("back", 0)

elseif
 material == "BG" or "bg" then
 redstone.setBundledOutput("back", colors.cyan)
 sleep(2*tonumber(mnozstvi))
 redstone.setBundledOutput("back", 0)

elseif
 material == "D" or "d" then
 redstone.setBundledOutput("back", colors.purple)
 sleep(2*tonumber(mnozstvi))
 redstone.setBundledOutput("back", 0)
end

print(2*mnozstvi)
sleep(2)
term.clear()
term.setCursorPos(1,1)
end