#include using namespace std; #define rep(i,n) for(ll i=0;i=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define ins insert #define pqueue(x) priority_queue,greater> #define all(x) (x).begin(),(x).end() #define CST(x) cout<; using vvl=vector>; using pl=pair; using vpl=vector; using vvpl=vector; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[9]={1,0,-1,0,1,1,-1,-1,0}; const ll dx[9]={0,1,0,-1,1,-1,1,-1,0}; template inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } ll mod; using vec=vector; using matrix=vector>; matrix matmul(matrix &left,matrix &right){ int n=left.size(); matrix ret(n,vec(n));//+の単位元で埋める for(int i=0;i>=1; if(k)mat=matmul(mat,mat); } return ret; } vec update(matrix &mat,vec &v){ int n=mat.size(); vec ret(n);//+の単位元で埋める for(int i=0;i> n; mat=matpow(mat,n); ll f=mat[0][1]; //cout << mat[0][1] << endl; mat={{1,1},{1,0}}; mod=MOD; mat=matpow(mat,f); cout << mat[0][1] << endl; }