program khongam;
uses crt;
var A:array[1..250] of integer;
n,i,d:integer;
begin
clrscr;
write('Nhap so luong phan tu n: '); readln(n);
d:=0;
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
if A[i]>=0 then d:=d+1;
end;
write('Trong day co ',d,' phan tu khong am');
readln;
end.