Program HOC24;
var i,n: byte;
a: array[1..1000] of integer;
t: longint;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(a[i]);
tbc:=0; t:=0;
end;
for i:=1 to n do t:=t+a[i];
writeln('Tong la :',t);
write('Trung binh cong cac phan tu la: ',t/n:5:2);
readln
end.