program ct;
uses crt;
var i,n,s: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;
s:=0;
for i:=1 to n do s:=s+a[i];
writeln('tong cac so trong day la',s);
readln
end.