ll N,X,C[1<<18][19],z[18]={},D,x,Z=0,a;
{
    rd(N,X);
	rep(i,N){
		rd(a);
		rep(j,18) if(!(a&1<<j)) C[a][j]++;
		C[a][18]++;
	}
	rep(d,19){
		D=1<<d;
		if(X&D){
			x=(X-D)&~(D-1);
			for (int i=0; i<1<<18; i+=D) rep(j,18) z[j] += C[i][18]*C[i^x][18]-C[i][j]*C[i^x][j];
		}
		rep(i,1<<18){ if(i&D) rep(j,19) C[i-D][j]+=C[i][j]; }
	}
	rep(i,18) Z += ((z[i]-N+C[0][i])/2)<<i;
	wt(Z);
	return 0;
}