% mdays2.m
%
m=input('Give month of year (Jan is 1  .. Dec is 12) ');
%
if (m == 1 || m == 3 || m== 5 || m== 7 || m== 8 || m==10 || m==12 )
  disp('31 days');
elseif (m== 4 || m==6 || m==9 || m==11)
  disp('30 days');
else
  disp('February');
end
%What is the problem ?
