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function res = monthsWithFriday13 ( year )
res = zeros (1 ,12) ;
for month =1:12
monthCalendar = getCalendar (year , month );
% Fredag 13. kan kun vaere i 3. uken i en maaned
	if monthCalendar (3, 5) == 13
	res ( month ) = 1;	
	end
end
end

function year = maxFridays13()
year = 0;
top = 0;
for i = 1900:2015
    temp = sum(monthsWithFriday13(i) );
    if temp > top
        year = i;
        top = temp;
    end
end
end