var
n,k,i, max, sum, min: integer;
a: array [1..100] of integer;
begin
writeln ('vvedi n');
read (n);
writeln (n);
k:=0;
for i:=1 to n do
read (a[i]);
 max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if a[i]<min then min:=a[i] ;
if a[i]>max then max:=a[i] ;
end;
sum:=min+max;
writeln ('sum=',sum);
end.