var
i, answer: integer;
arr: array[-100..50] of integer;
begin
answer := -1;
for i:= 0 to 19 do
begin
read(arr[i]);
if ((arr[i] > 0) and (arr[i] mod 5 = 0) and (arr[i] > answer)) then answer := arr[i];
end;
if answer = -1 then writeln('Не найдено')
else writeln(answer);
end.
