program main
  implicit none
  integer::a,m,i,j,bits
  read *,m
  do i=1,m
     read *, a
     a = a + 1
     bits=BIT_SIZE(a) - LEADZ(a) - 2
     do j=bits,0,-1
        if(BTEST(a, j)) then
           write(*,'(a)',advance='no'),'R'
        else
           write(*,'(a)',advance='no'),'L'
        end if
     end do
     print *,
  end do
end program main