flags = zeros(1, 20);
today = 0;
limit = 10;
days = 1;
while max(flags) <= 100
while today < limit
today = today + 1;
flags(days) = flags(days) + today;
if rem(flags(days), 10) == 0
limit = limit + flags(days) / 10;
end
end
days = days + 1;
today = 0;
end