program ct;
uses crt;
var i,n,T:integer;
A:array[1..100] of integer;
begin
clrscr;
write('nhap n:=');readln(n);
for i:=1 to n do
begin
write('nhap mang a[',i,']:=');readln(a[i]);
end;
T:=0;
for i:=1 to n do T:=T+a[i];
writeln('tong cac so la:=',T);
readln
end.