Program BTT;
Uses crt;
Var A: array[1..10000] of longint;
n,i,s: longint;
Begin
Clrscr;
Write('Nhap n: '); Readln(n);
For i:=1 to n do
Begin
Write('A[',i,'] = '); Readln(A[i]);
End;
s:=0;
For i:=1 to n do
If A[i] mod 2 = 1 then s:=s+A[i];
Write('Tong: ',s);
Readln
End.