#include <bits/stdc++.h>
using namespace std;
#define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define rep(i,n) repl(i,0,n)
#define mp(a,b) make_pair((a),(b))
#define pb(a) push_back((a))
#define all(x) (x).begin(),(x).end()
#define uniq(x) sort(all(x)),(x).erase(unique(all(x)),end(x))
#define fi first
#define se second
#define dbg(...) _dbg(#__VA_ARGS__",", __VA_ARGS__)
void _dbg(string){cout<<endl;}
template<class H,class... T> void _dbg(string s,H h,T... t){int l=s.find(',');cout<<s.substr(0,l)<<" = "<<h<<", ";_dbg(s.substr(l+1),t...);}
template<class T,class U> ostream& operator<<(ostream& o, const pair<T,U> &p){o<<"("<<p.fi<<","<<p.se<<")";return o;}
template<class T> ostream& operator<<(ostream& o, const vector<T> &v){o<<"[";for(T t:v){o<<t<<",";}o<<"]";return o;}

#define INF 1120000000
#define MOD 1000000007
#define MO_ 2000000016

typedef vector<vector<long>> mat;

// return A*B
mat mat_mul(const mat &A, const mat &B, long mod){
  int n=A.size(), m=B[0].size(), l=B.size();
  mat ret(n, vector<long>(m, 0));
  rep(i,n) rep(k,l) if(A[i][k]!=0) rep(j,m){
    (ret[i][j] += A[i][k] * B[k][j]) %= mod;
  }
  return ret;
}

// A^p
mat mat_pow(const mat &A, long p, long mod){
  int n = A.size();
  mat tmp(A), ret(n, vector<long>(n,0));
  rep(i,n) ret[i][i] = 1;
  while(p>0){
    if(p&1) ret = mat_mul(tmp, ret, mod);
    tmp = mat_mul(tmp, tmp, mod);
    p /= 2;
  }
  return ret;
}

int main(){
  long n;
  cin>>n;

  const mat fib = mat({{1,1},{1,0}});

  n = mat_pow(fib, n, MO_)[1][0] % MO_;
//dbg(n);
  n = mat_pow(fib, n, MOD)[1][0] % MOD;

  cout << n << endl;

  return 0;
}