R Getter

local e = require("event")
local c = require("component")
local s = require("sides")
local r = c.redstone
local l = 0
local t = 15
function f()
t=3
if r.getInput(s.left)>0 then l = l+10^(r.getInput(s.left)-1)
end;end;
e.listen("redstone_changed",f)
while t>0 do os.sleep(1) t = t - 1
end;
e.ignore("redstone_changed",f)
print(l)