Var a:array [0..10000] of integer;

b,c,n,i:integer;

begin

b:=0;

c:=0;

read (n);

For i:=n downto 1 do begin

read (a[i]);

If (a[i] mod 2 = 0) then

begin

b:=b+1;

c:=c+a[i];

end;

end;

Writeln ('Sum=',c,' Kol=',b,' SredA=',(c/b));

end.