#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,K; ll dp[1024][11]; const ll mo=998244353; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>K; dp[0][0]=1; FOR(i,N) { cin>>x; for(j=9;j>=0;j--) { FOR(y,1024) if((y&x)==0 && dp[y][j]) { dp[y^x][j+1]+=dp[y][j]; if(dp[y^x][j+1]>=mo) dp[y^x][j+1]-=mo; } } } ll ret=0; if(K<=10) FOR(i,1024) ret+=dp[i][K]; cout<