using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.IO; using System.Reflection; using static System.Math; using System.Numerics; //using nint=System.Int32; static class Program{ const int mod=(int)1e9+7; const double eps=1e-11; static void Main(){ Sc sc=new Sc(); var n=sc.L; Mint p=1; p/=6; var g=new Mint[][]{ new Mint[]{0,1,0,0,0,0,0}, new Mint[]{0,0,1,0,0,0,0}, new Mint[]{0,0,0,1,0,0,0}, new Mint[]{0,0,0,0,1,0,0}, new Mint[]{0,0,0,0,0,1,0}, new Mint[]{0,0,0,0,0,0,1}, new Mint[]{0,p,p,p,p,p,p} }; var b=new Mint[][]{ new Mint[]{1}, new Mint[]{0}, new Mint[]{0}, new Mint[]{0}, new Mint[]{0}, new Mint[]{0}, new Mint[]{0} }; for(int i = 0;i<7;i++) { for(int j = i+1;j<7;j++) { b[j][0]+=b[i][0]*p; } } var c=Mp(b,g,n); Console.WriteLine("{0}",c[0][0]); } static Mint[][] Mp(Mint[][] r,Mint[][] x,long e){ while(e>0){ if((e&1)>0){r=Mm(x,r);} x=Mm(x,x); e>>=1; } return r; } static Mint[][] Mm(Mint[][] a,Mint[][] b){ var q=new Mint[a.Length][]; for(int j=0;j0){ long t=a/b; a-=t*b;a^=b;b^=a;a^=b; u-=t*v;u^=v;v^=u;u^=v; } u%=mod; if(u<0){u+=mod;} return u%mod; } } public class Sc{ public int I{get{return int.Parse(Console.ReadLine());}} public long L{get{return long.Parse(Console.ReadLine());}} public double D{get{return double.Parse(Console.ReadLine());}} public string S{get{return Console.ReadLine();}} public int[] Ia{get{return Array.ConvertAll(Console.ReadLine().Split(),int.Parse);}} public long[] La{get{return Array.ConvertAll(Console.ReadLine().Split(),long.Parse);}} public double[] Da{get{return Array.ConvertAll(Console.ReadLine().Split(),double.Parse);}} public string[] Sa{get{return Console.ReadLine().Split();}} public object[] Oa{get{return Console.ReadLine().Split();}} public int[] Ia2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),int.Parse);}} public int[] Ia3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),int.Parse);} public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}} public long[] La3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),long.Parse);} public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}} public double[] Da3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),double.Parse);} public T[] Arr(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i(int n,Func f){var a=new T[n];for(int i=0;i