Program Tinh_tong;
Uses crt;
Var a:array[1..100] of real;
n,i,s:integer;
BEGIN
clrscr;
write('Nhap vao n phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap vao phan tu thu ',i,': '); readln(a);
end;
s:=0;
for i:=1 to n do
begin
if a>0 then s:=s+a;
end;
write('Tong cac phan tu duong trong mang=',s);
readln;
END.