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

#define rd() ({long _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;})
#define wt(v) ({unsigned _z=v;do*--wp=_z%10+48;while(_z/=10);})
#define rep(v,e) for(long v=0;v<e;++v)
#define rep3(v,s,e) for(long v=s;v<e;++v)
#define aaa(x) ({ulong r=x;r-(r<MD?0:MD);})
#define MD 998244353

typedef unsigned long ulong;

#define MAXN 100000
int en[MAXN+2];
int eb[MAXN<<1];
int uv[MAXN<<1];

ulong f(long i,long p){
	ulong a=1,b=0,c=0;
	rep3(k,en[i],en[i+1]){
		long j=eb[k];
		if(j!=p){
			ulong s=f(j,i);
			ulong y=s>>32;
			ulong x=(unsigned)s;
			c=(c*y+b*x)%MD;
			b=(b*y+a*x)%MD;
			a=a*y%MD;
		}
	}
//	return aaa(a+b)|aaa(b+c)<<32;
	return (a+b)|(b+c)<<32;
}

int main(){
	char*mmap();
	char*rp=mmap(0l,1l<<25,1,2,0,0ll);
	long n=rd();
	rep(j,n-1<<1){
		++en[(uv[j]=rd()-1)+2];
	}
	{
		int s=0;
		rep3(i,2,n+2){
			en[i]=s+=en[i];
		}
	}
	rep(j,n-1<<1){
		eb[en[uv[j]+1]++]=uv[j^1];
	}
	ulong s=f(0,0);
	char wbuf[64],*wp=wbuf+sizeof wbuf;
	wt(aaa(s>>32));
	write(1,wp,wbuf+sizeof wbuf-wp);
	_exit(0);
}