program y964
    implicit none
    integer(8)::N,i,j,c=0
    character(100000)::S
    read*,N
    do i=0,N-1
        do j=1,N
            S(c+j:c+j)=char(9-i+48)
        end do
        c=c+N
    end do
    print*,S(1:c)
end program y964