var
n : integer;
begin
read (n);
if (n mod 10 = 6) or (n div 100 = 6) or (n div 10 mod 10 = 6) then write ('yes') else write ('no');
end.
i : integer;
for i := 1 to 10 do write ('20 ');
var
n : integer;
begin
read (n);
if (n mod 10 = 6) or (n div 100 = 6) or (n div 10 mod 10 = 6) then write ('yes') else write ('no');
end.
var
i : integer;
begin
for i := 1 to 10 do write ('20 ');
end.