1.first,2.second,3.third,4.forth,5.fifth,6.sixth,7.seventh,8.eighth,9.ninth,10.tenth,11.eleventh,12.twelfth,13.thirteenth, 14.forteenth,15. fifteenth, 16.sixteenth, 17.seventeenth, 18.eighteenth,19. nineteenth, 20.twentieth ,
21.twenty-first,22. twenty-second, 23.twenty-third, 24.twenty-forth, 25. twenty-fifth,26.twenty-sixth, 27.twenty-seventh,28.twenty-eighth, 29.twenty-ninth,30. thirtieth, 31.thirty-first