(New) Get Zodiac Sign (with matrices)

signsName = {'Capricorn','Aquarius','Pisces','Aries','Taurus','Gemini','Cancer','Leo','Virgo','Libra','Scorpio','Sagittarius'};
signsDate = [20;19;21;20;21;21;23;23;23;23;22;22];

birthday = input('Insert your birthday date in format dd-mm: ', 's');
dm = strsplit(birthday, '-');
day = str2num(cell2mat(dm(1,1)));
month = str2num(cell2mat(dm(1,2)));

if day < signsDate(month, 1)
    fprintf('Your sign is %s\n', signsName{month});
else
    fprintf('Your sign is %s\n', signsName{month+1});
end