program ct;
uses crt;
var S,i,n: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 cua day so la:',S);
readln
end.