vector<Mint>s(3d3),t=s,u,a=s,b=s;ll@n,@m,@k;rep(j,n+m){a=j==n?u=t,t=s:b;++a[0];ll@x;rep(i,2d3)t[i]+=b[i]=a[i^x];}wt(sum[i,0,2d3](t[i]*u[i^k]));