const
n=30;
var
a: array [1..n] of integer;
i,j,s:integer;
begin
for i:=1 to n do
readln(a[i]);
j:=0; s:=0;
for i:=1 to n do
if (a[i]>99) and (a[i]<1000)
and (a[i] mod 2 =1) then
begin
inc(j);
s:=s+a[i];
end;
if s<>0 then
writeln(s/j)
else
writeln('Таких нет');
end.
