function piglatin(string)
if string ~= "" then
if string.match(string, " ") == nil then
change = string.lower(string.sub(string,0,1))
sec = string.upper(string.sub(string,2,2))
newstring = sec .. string.sub(string,3) .. change .. "ay"
print(newstring)
return newstring
end
end
end

function decode(string)
change = string.sub(string,1,#string-2)
if string.sub(string,#string-1) == "ay" then
new = string.upper(string.sub(change,#change)) .. string.lower(string.sub(change,1,#change-1))
print(new)
return new
end
end