#include <cstdio>

#include <cstring>

#include <iostream>

using namespace std;

typedef long long ll;

const int N=,M=,P=;

const int MOD=;

struct  Matrix

{

    ll m[N][N];

};

Matrix  A={,,

          ,};

Matrix  I={,,

          ,};

Matrix multi(Matrix a,Matrix b)

{

    Matrix ans;

    for(int i=;i<N;i++)

    {

       for(int j=;j<M;j++)

       {

          ans.m[i][j]=;

          for(int k=;k<P;k++)

          {

             ans.m[i][j]+=a.m[i][k]*b.m[k][j]%MOD;

          }

          ans.m[i][j]%=MOD;

       }

    }

    return ans;

}

Matrix power(Matrix a,int k)

{

    Matrix ans=I,p=a;

    while(k)

    {

      if(k&)

      {

        ans=multi(ans,p);

      }

      k>>=;

      p=multi(p,p);

    }

    return ans;

}

int main(int argc, char const *argv[])

{

    int n;

    while(scanf("%d",&n)!=-)

    {

       if(n==-) break;

       if(n==)

       {

           cout<<""<<endl;

           continue;

       }

       Matrix ans=power(A,n-);

       printf("%lld\n",ans.m[][] );

    }

    return ;

}