bileAN_nu_ok

#include <bits/stdc++.h>

using namespace std;
ifstream fin("bilean.in");
ofstream fout("bilean.out");
const int mod=301104;

int N, i;
int MAT[3][3], SOL[3][3];

inline void mult(int A[][3], int B[][3], int C[][3])
{
    int i, j, k;
    for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
            for (k = 0; k < 2; k++)
                C[i][j] = (C[i][j] + 1LL * A[i][k] * B[k][j]) % mod;

}

inline void lg_power(int P, int M[][3])
{
    int C[3][3], AUX[3][3], i;

    memcpy(C, MAT, sizeof(MAT));
    M[0][0] = M[1][1] = 1;

    for (i = 0; (1 << i) <= P; i++)
    {
        if (P & (1 << i))
        {
            memset(AUX, 0, sizeof(AUX));
            mult(M, C, AUX);
            memcpy(M, AUX, sizeof(AUX));
        }
        memset(AUX, 0, sizeof(AUX));
        mult(C, C, AUX);
        memcpy(C, AUX, sizeof(C));
    }
}

int main()
{
    fin>>N;
    if(N==1)
        fout<<2;
    else if(N==2)
        fout<<3;
    else
    {
        MAT[0][0] = 0; MAT[0][1] = 1; MAT[1][0] = 1; MAT[1][1] = 1;
        lg_power(N+1, SOL);
        fout<<SOL[1][1];
    }
    return 0;
}