#include using namespace std; using uint = unsigned int; using ll = long long; #define CIN( LL , A ) LL A; cin >> A #define GETLINE( A ) string A; getline( cin , A ) #define GETLINE_SEPARATE( A , SEPARATOR ) string A; getline( cin , A , SEPARATOR ) #define FOR_LL( VAR , INITIAL , FINAL_PLUS_ONE ) for( ll VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) #define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) #define REPEAT( HOW_MANY_TIMES ) FOR_LL( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES ) #define RETURN( ANSWER ) cout << ( ANSWER ) << endl; return 0 #define DOUBLE( PRECISION , ANSWER ) cout << fixed << setprecision( PRECISION ) << ( ANSWER ) << endl; return 0 #define MIN( A , B ) A < B ? A : B; #define MAX( A , B ) A < B ? B : A; template inline T Distance( const T& a , const T& b ){ return a < b ? b - a : a - b; } constexpr const ll D = 30; constexpr const ll P = 998244353; int main(){ CIN( ll , N ); bool b[D] = {}; ll d[D]; CIN( ll , Ai ); FOR_LL( j , 0 , D ){ d[j] = Ai % 2; Ai /= 2; } N--; FOR_LL( i , 0 , N ){ cin >> Ai; FOR_LL( j , 0 , D ){ bool& bj = b[j]; if( ! bj ){ if( d[j] != Ai % 2 ){ bj = true; } Ai /= 2; } } } ll count = 0; FOR_LL( j , 0 , D ){ if( b[j] ){ count++; } } ll answer = 1; REPEAT( count ){ answer = ( answer * 2 ) % P; } RETURN( answer ); }