#include <bits/stdc++.h>
using namespace std;

long long motome(long long MOD,long long N){
    vector<int> two;
    while(N>0){
        two.push_back(N%2);
        N=N/2;
    }
    int M=two.size();
    vector<long long> fibMin1(M),fib(M);
    fibMin1[0]=0;
    fib[0]=1;
    for(int i=1;i<M;i++){
        fibMin1[i]=fibMin1[i-1]*fibMin1[i-1]%MOD;
        fibMin1[i]=(fibMin1[i]+fib[i-1]*fib[i-1])%MOD;
        fib[i]=fibMin1[i-1]*fib[i-1]%MOD;
        fib[i]=(fib[i]+fib[i-1]*(fib[i-1]+fibMin1[i-1]))%MOD;
    }
    long long temp=0,temp2=1;
    long long r,q;
    for(int i=0;i<M;i++){
        if(two[i]){
            r=temp;
            q=temp2;
            temp=q*fib[i]%MOD;
            temp=(temp+r*fibMin1[i])%MOD;
            temp2=r*fib[i]%MOD;
            temp2=(temp2+q*(fib[i]+fibMin1[i]))%MOD;
        }
    }
    return temp;
}

int main(){
    long long N;
    long long MOD=2000000016;
    cin>>N;
    if(N==0){
        cout<<0<<endl;
        return 0;
    }
    long long ans=motome(MOD,N);
    MOD=1000000007;
    ans=motome(MOD,ans);
    cout<<ans<<endl;
}