program ct;
uses crt;
var A:array[1..1000] of integer;
i,n,S:longint;
begin clrscr;
write('Nhap so phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap A[',i,']: '); readln(A[i]);
end;
for i:=1 to n do
if A[i] mod 2=1 then S:=S+A[i];
write('Tong cac phan tu la so le la: ',S);
readln;
end.
Học tốt!