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 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(); } }