program Project2;

{$APPTYPE CONSOLE}

uses
  SysUtils;

Var k1,k2,k3,k4,k5,k6,k7,k8,k9,k10,k11,k12:long int;
N:real;
begin
assign(input,'matches.in');
reset(input);
readln(n);
readln(k1,k2,k3,k4,k5,k6,k7,k8,k9,k10,k11,k12);
close(input);
assign(output,'matches.out');
rewrite(output);

While (N<100) and (N>0) do begin
if ((k1+k2+k3+k4+k5+k6+k7+k8+k9+k10+k11+k12) mod 12) =0 then writeln('yes');
if ((k1+k2+k3+k4+k5+k6+k7+k8+k9+k10+k11+k12) mod 12) <>0 then writeln('no');
end;
close(output);
end.