program ct;
uses crt;
var i,n,S:integer;
A:array[1..100] of integer;
begin
clrscr;
write('nhap n:=');readln(n);
for i:=1 to n do
begin
write('nhap mang A[',i,']:=');readln(A[i]);
end;
S:=0;
for i:=1 to n do
if A[i] mod 2=0 then S:=S+A[i];
writeln('tong cac gia tri so chan la:',S);
readln
end.
