Speaker of The House

for k = (1:1:1000)
for i = (100:1:999)
   num = num2str(i);

   if (num(1) == num(2)) & (num(2) == num(3))
       totalSum = 0;
       for l = (1:1:i)
           totalSum = totalSum + l;
           if totalSum == i
               l
           end
       end

   end

end
end