var t:0..100;
    f,g:text;
    x,y,z,a,b,c,n,i,p,j:longint;

begin
assign(f,'iepuri.in');
assign(g,'iepuri.out');
rewrite(g);
reset(f);
readln(f,t);
for i:=1 to t do
  begin
    readln(f,x,y,z,a,b,c,n);
    if n=3 then writeln(g,(x*a+y*b+z*c)mod 666013)
        else
           begin
              for j:=3 to n do
                 begin
                   p:=z*a+y*b+c*x;
                   x:=y;
                   y:=z;
                   z:=p;
                 end;
               writeln(g,z mod 666013);
           end;

  end;
close(f);
close(g);

end.