uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
write('n='); readln(n);
if (n>0) and (n<=100) then
begin
t:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
if (a[i] mod 2=0) or (a[i] mod 2=1) then t:=t+a[i];
end;
writeln('tong cac phan tu chan hoac le trong day la: ',t);
end
else writeln('vui long nhap lai');
readln;
end.