#include #define syosu(x) fixed< P; typedef pair pdd; typedef pair pll; typedef vector vi; typedef vector vvi; typedef vector vd; typedef vector vvd; typedef vector vl; typedef vector vvl; typedef vector vs; typedef vector

vp; typedef vector vvp; typedef vector vpll; typedef pair pip; typedef vector vip; const int inf=1<<30; const ll INF=1ll<<60; const double pi=acos(-1); const double eps=1e-8; const ll mod=1e9+7; const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0}; vvl mul(vvl A,vvl B){ vvl C(A.size(),vl(B[0].size())); for(int i=0;i0){ if(n&1) B=mul(B,A); A=mul(A,A); n>>=1; } return B; } ll n; int main(){ cin>>n; vvl A(2,vl(2,1)); A[1][1]=0; A=pow(A,n); cout<