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

#define wt(v) ({unsigned _z=v;do*--wp=_z%10+48;while(_z/=10);})
#define aaa(x) ({int r=x;r-(r<MD?0:MD);})
#define MD 998244353

f1(){
	char*mmap();
	char*rp=mmap(0l,1l<<25,1,2,0,0ll);
	while(*rp++-10);
	int d0=1,d1=1;
	for(int c;c=*rp++;){
		if(c=='.'){
			if(*rp<64){
				d1=aaa(d1*2);
			}
		}else{
			d0=0;
		}
		c=*rp++;
		rp+=*rp==10;
		if(c=='.'){
			d0=aaa(d0+d1);
			if(*rp<64){
				d1=aaa(d1*2);
			}
		}else{
			d0=0;
		}
		d1=aaa(d0+d1);
	}
	return d1;
}

f2(int z){
	char wbuf[64],*wp=wbuf+sizeof wbuf;
	wt(z);
	write(1,wp,wbuf+sizeof wbuf-wp);
}

int main()
{
	f2(f1());
	_exit(0);
}