uses crt;
var a:array[1..100] of integer;
i,n,dem1,dem2,dem3: integer;
begin
clrscr;
write('Nhap so luong phan tu cua mang: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu a[',i,']= ');
readln(a[i]);
end;
for i:=1 to n do
begin
if a[i]<0 then inc(dem1);
if a[i]>0 then inc(dem2);
if a[i]=0 then inc(dem3);
end;
write('Tong cac so nguyen duong, nguyen am va so 0 la: ');
write(dem1,' ',dem2,' ',dem3);
readln;
end.
