program mang;
uses crt;
var A:array [1..500] of integer;
n,i,max: integer;
Begin
write('Nhap so phan tu: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(A[i]);
end;
write('Mang vua nhap la: ');
for i:=1 to n do write(A[i],' ');
writeln;
max:=A[1];
for i:=2 to n do
if max<A[i] then max:=A[i];
writeln('a) So lon nhat trong mang la: ',max);
write('b) Cac so chan trong mang: ');
for i:=1 to n do
if A[i] mod 2=0 then write(A[i],' ');
readln
End.