n = io.read("*n")
if(n % 3 == 0) then
    n = n - 2
    io.write("3 3")
elseif(n % 3 == 1) then
    n = n - 3
    io.write("3 3 3")
else
    n = n - 1
    io.write("3")
end
for i = 1, n, 1 do
    io.write(" 1")
end