program bai_giai;
uses crt;
var A:array[1..10000] of integer;
n,i,t:integer;
begin
clrscr;
write('Nhap do dai cua day: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,': '); readln(A[i]);
end;
t:=0;
for i:=1 to n do
if A[i] mod 2=1 then t:=t+A[i];
write('Tong cac so le la: ',t);
readln;
end.