помогите номер 4 ПЛИС

Feb. = February
Mar=March
Apr=April
May=May
Jun=June
Jul=July
Aug=August
Sep=September
Oct=October
Nov=November
Dec=December

1.Jan-January  2.Feb-February  3.Apr-April  4.Mar-March  5.May-May  6.Dec-Decemder   7.Jul-July  8.Sep-Septamber  9.Nov-November  10.Oct-October