uses crt;
const n=10;
var m,el,c:array[1..n]of integer;
i,j,k,min:integer;
f:boolean;
begin
clrscr;
write('-> ');
for i:=1 to n do read(m[i]);
readln;
k:=0;
for i:=1 to n do
begin
f:=false;
for j:=1 to k do if m[i]=el[j] then
begin
f:=true;
inc(c[j]);
end;
if not f then
begin
inc(k);
el[k]:=m[i];
c[k]:=1;
end;
end;
min:=1;
for i:=1 to k do if c[i]<c[min] then min:=i else if (c[i]=c[min]) and (el[i]>el[min]) then min:=i;
writeln(el[min]);
readln;
end.