#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- ll mo=1000000007; const int MAT=20; struct Mat { ll v[MAT][MAT]; }; Mat mulmat(Mat& a,Mat& b,int n=MAT) { ll mo2=4*mo*mo; int x,y,z; Mat r; FOR(x,n) FOR(y,n) r.v[x][y]=0; FOR(x,n) FOR(z,n) FOR(y,n) { r.v[x][y] += a.v[x][z]*b.v[z][y]; if(r.v[x][y]>mo2) r.v[x][y] -= mo2; } FOR(x,n) FOR(y,n) r.v[x][y]%=mo; return r; } Mat powmat(ll p,Mat a,int n=MAT) { int i,x,y; Mat r; FOR(x,n) FOR(y,n) r.v[x][y]=0; FOR(i,n) r.v[i][i]=1; while(p) { if(p%2) r=mulmat(r,a,n); a=mulmat(a,a,n); p>>=1; } return r; } ll N; string m[10]={ "0.........", "1012...1..", "210112....", "3210212.1.", "1.1201....", "2.21101...", "1..2.101..", "...1...0..", "21....1.0.", ".1231212.0", }; Mat A,AD,B; void solve() { int i,j,k,l,r,x,y; string s; FOR(y,10) FOR(x,10) { if(m[y][x]=='.') { A.v[y][x]=AD.v[y][x]=0; } else { A.v[y][x]=1; AD.v[y][x]=m[y][x]-'0'; if(y>=1 && y<=6) AD.v[y][x]+=2; if(y>=7 && y<=8) AD.v[y][x]+=4; } B.v[y][x]=B.v[y+10][x+10]=A.v[y][x]; B.v[y+10][x]=AD.v[y][x]; } cin>>N; Mat T; T=powmat(N,B); ll ret=0; FOR(i,10) { ret+=T.v[19][i]*A.v[i][0]%mo; ret+=T.v[19][10+i]*AD.v[i][0]%mo; } cout<