package yukicoder; import java.math.BigInteger; import java.util.Arrays; import java.util.Scanner; public class Main{ public static void main(String[] args)throws Exception{ new Main().solve(); } final long mod=1_000_000_000+7; void solve(){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); Long k=sc.nextLong(); long ansS=0,ansF=0; long[][] a=new long[n+1][1]; for(int i=0;i=1){ if(n%2==1){ B=MtPrd(A,B,mod); n--; }else if(n%2==0){ n/=2; A=MtPrd(A,A,mod); } } return B; } long[][] MtPrd(long[][] A,long[][] B,long mod){ long[][] C=new long[A.length][B[0].length]; for(int i=0;i