import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    static final int MOD1 = 1000000007;
    static final int MOD2 = 2000000016;
    static HashMap<Integer, Integer> dp = new HashMap<>();
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        long n = sc.nextLong();
        long[][][] matrix2 = new long[60][2][2];
        matrix2[0] = new long[][]{{0, 1}, {1, 1}};
        for (int i = 1; i < 60; i++) {
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    for (int c = 0; c < 2; c++) {
                        matrix2[i][a][c] += matrix2[i - 1][a][b] * matrix2[i - 1][b][c] % MOD2;
                        matrix2[i][a][c] %= MOD2;
                    }
                }
            }
        }
        long[] ans2 = new long[]{0, 1};
        for (int i = 59; i >= 0; i--) {
            if (n < (1L << i)) {
                continue;
            }
            n -= (1L << i);
            long[] next = new long[2];
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    next[a] += matrix2[i][a][b] * ans2[b] % MOD2;
                    next[a] %= MOD2;
                }
            }
            ans2 = next;
        }
        long k = ans2[0];
        long[][][] matrix1 = new long[40][2][2];
        matrix1[0] = new long[][]{{0, 1}, {1, 1}};
        for (int i = 1; i < 40; i++) {
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    for (int c = 0; c < 2; c++) {
                        matrix1[i][a][c] += matrix1[i - 1][a][b] * matrix1[i - 1][b][c] % MOD1;
                        matrix1[i][a][c] %= MOD1;
                    }
                }
            }
        }
        long[] ans1 = new long[]{0, 1};
        for (int i = 39; i >= 0; i--) {
            if (k < (1L << i)) {
                continue;
            }
            k -= (1L << i);
            long[] next = new long[2];
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    next[a] += matrix1[i][a][b] * ans1[b] % MOD1;
                    next[a] %= MOD1;
                }
            }
            ans1 = next;
        }
        System.out.println(ans1[0]);
    }
}
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}