// #define _GLIBCXX_DEBUG
#include "bits/stdc++.h"
#ifdef DEBUG
#include "PrettyDebug.hpp"
#else
#define debug(...) [](auto...){}(__VA_ARGS__)
#define debuga(...) [](auto...){}(__VA_ARGS__)
#endif
#define For(i,a,b) for(int i=a;i<=b;i++)
#define Rev(i,a,b) for(int i=a;i>=b;i--)
#define Fin(file) freopen(file,"r",stdin)
#define Fout(file) freopen(file,"w",stdout)
#define assume(expr) ((!!(expr))||(exit((fprintf(stderr,"Assumption Failed: %s on Line %d\n",#expr,__LINE__),-1)),false))
#define range basic_string_view
using namespace std; typedef long long ll;
constexpr int N=6e5+5,mod=1e9+7;
inline void ck(int& x,ll y) { x=(x+y)%mod; }
int n,h[N],F[N],G[N],F0[N],G0[N]; vector<int> to[N],f[N],g[N]; // f up, g down
void dfs(int u,int pa){
    if(pa) to[u].erase(find(to[u].begin(),to[u].end(),pa));
    for(int v:to[u]) dfs(v,u);
    sort(to[u].begin(),to[u].end(),[&](int x,int y){return f[x].size()<f[y].size();});
    int sF=1; F[0]=1; G[0]=0;
    for(int v:to[u]){
        // vector<int> F0(1u<<f[v].size()),G0(1u<<f[v].size());
        memset(F0,0,sizeof(int)*(1u<<f[v].size()));
        memset(G0,0,sizeof(int)*(1u<<f[v].size()));
        for(auto s=0;s<sF;s++){
            ck(F0[s],1ll*F[s]*h[v]);
            ck(G0[s],1ll*G[s]*h[v]);
            for(auto i=0u;i<f[v].size();i++) if(~s>>i&1) {
                ck(F0[s|1<<i],1ll*F[s]*f[v][i]);
                if(s>(1<<i)) ck(G0[s|1<<i],1ll*G[s]*f[v][i]);
                else ck(G0[s|1<<i],1ll*F[s]*g[v][i]);
            }
        }
        sF=1<<f[v].size(); memcpy(F,F0,sF*sizeof(int)); memcpy(G,G0,sF*sizeof(int));
    }
    int o=__lg(sF); f[u].resize(o+1); g[u].resize(o+1);
    // debug(u,o);
    For(k,0,o){
        int s=(1<<k)-1; assert(s<N); ck(f[u][k],F[s]); ck(g[u][k],F[s]);
        For(j,0,k-2) ck(g[u][j],G[s^1<<j]);
        For(j,0,k-2) ck(g[u][j],F[s^1<<j]);
        ck(h[u],G[s]); ck(h[u],F[s]);
    }
    while(f[u].back()==0&&g[u].back()==0) f[u].pop_back(),g[u].pop_back();
}
signed main(){
    // Fin("hh.in");
    atexit([](){cerr<<"Time = "<<clock()<<" ms"<<endl;}); ios::sync_with_stdio(0); cin.tie(0);
    cin>>n; For(i,1,n-1) { int x,y; cin>>x>>y; to[x].push_back(y); to[y].push_back(x); }
    dfs(1,0); cout<<h[1]<<'\n';
    return 0;
}

// START TYPING IF YOU DON'T KNOW WHAT TO DO
// STOP TYPING IF YOU DON'T KNOW WHAT YOU'RE DOING
// CONTINUE, NON-STOPPING, FOR CHARLIEVINNIE

// Started Coding On: October 30 Mon, 12 : 47 : 05