#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#define getrp() ({char*mmap();mmap(0l,1l<<25,1,2,0,0ll);})
#define rd_skip() while(*rp++>=48)
#define rd() ({int _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;})
#define wt(v) ({ulong _z=v;do*--wp=_z%10+48;while(_z/=10);})
#define wt1(v) ({char wbuf[64],*wp=wbuf+sizeof wbuf;wt(v);write(1,wp,wbuf+sizeof wbuf-wp);})
#define rep(v,e) for(long v=0;v<e;++v)
#define aaa(x) ({ulong _r=x;_r-(_r<MD?0:MD);})
#define MD 998244353

typedef unsigned long ulong;
typedef struct{unsigned a,c;}M;

int main(){
	M m1[32],m2[32];
	long m1n=1,m2n=0;
	m1[0].a=0;
	m1[0].c=1;

	char*rp=getrp();
	rd_skip();
	while(*rp){
		unsigned a=rd(),b=~0;
		unsigned y=0;
		m2n=-1;
		rep(i,m1n){
			y=aaa(y+m1[i].c);
			unsigned d=a|m1[i].a;
			if(b!=d){
				b=d;
				++m2n;
			}
			m2[m2n].a=b;
			m2[m2n].c=y;
		}
		if(b!=a){
			++m2n;
		}
		m2[m2n].a=a;
		m2[m2n].c=y;
		++m2n;
		rep(i,m2n){
			m1[i]=m2[i];
		}
		m1n=m2n;
	}
	{
		unsigned z=0;
		rep(i,m1n){
			z=aaa(z+m1[i].c);
		}
		wt1(z);
	}
	_exit(0);
}