uses crt;
var a:array[1..250]of integer;
i,n,dem:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{-----------------------------------xu-ly---------------------------------}
dem:=0;
for i:=1 to n do
if a[i]>0 then inc(dem);
writeln('so cac so duong la: ',dem);
readln;
end.