Program Mang;
Uses crt;
Var A:array[1..10000] of longint;
i,n,dem: longint;
Begin
Clrscr;
Write('Nhap n: '); readln(n);
For i:=1 to n do
Begin
Write('A[',i,'] = '); Readln(A[i]);
End;
dem:=0;
For i:=1 to n do
If A[i]>=0 then inc(dem);
Write('Co ',dem,' so khong am');
Readln
End.