program P1;
var a : array[1..100] of integer;
i, n, m, suma: integer;
media : real;
begin
suma := 0; m := 0;
write('Numar de elemente: '); readln(n);
for i := 1 to n do
begin
write('a[',i,']=');
readln(a[i]);
if(a[i] mod 2 = 0)
then
begin
suma := suma + a[i];
m := m + 1;
end;
end;
media := suma / m;
write('Media elementelor pare: ', media);
readln;
end.