class TrianguloPascal

    def Main()
        print "favor de ingresar el valor"
        n=(gets.chomp).to_i


        for i in 0..n-1
            nt=1

            for j in 0..i

                print nt ," "
                nt = nt*(i-j)/(j+1);

        end

        print "\n"

        end

     end
end

obj=TrianguloPascal.new
obj.Main()