function thing(n)
 local words = {
     "Junior",
     "Senior",
 }
 local str = ""
 repeat
    if (n % 2) == 0 then
       n = n - 2
       str = str.." "..words[2]
    else
       n = n - 1
       str = str.." "..words[1]
    end
 until n == 0
 return str
end

print(thing(2))