program be_hon_0;
uses crt;
var A:array[1..10000] of integer;
n,i,d:integer;
begin
clrscr;
write('Nhap n: '); readln(n);
d:=0;
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(A[i]);
if A[i]<0 then d:=d+1;
end;
if d=0 then write('Khong co so nao be hon 0')
else for i:=1 to n do
if A[i]<0 then write(A[i],' ');
readln;
end.