uses crt;
var a: array[1..100] of integer;
i,n,j,t: integer;
begin
clrscr;
write ('nhap n: '); readln (n);
for i:=1 to n do
begin
write ('nhap pt thu ',i,': '); readln (a[i]);
end;
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then
begin
t:=a[i];
a[i]:=a[j];
a[j]:=t;
end;
write ('day tang dan: ');
for i:=1 to n do write (a[i],' ');
readln;
end.