import java.io.*; import java.util.*; public class _p1481_Validate { public static void main(String[] args) throws IOException { new _p1481_Validate().solve(); } long fib(long n, int mod) { long[][] mat = new long[][]{ new long[]{1,1,}, new long[]{1,0,}, }; mat = powmat(n, mod, mat); long[][] x = new long[][]{ new long[]{1,}, new long[]{0,}, }; long res = mulmat(mat, x, mod)[1][0]; return res; } void test() { long a = 0, b = 1; for (long i = 1; ; i++) { long t = b; b += a; a = t; b %= mod; if (a == 0 && b == 1) { dump(i); break; } } } static int mod = (int)1e9+7; void solve() throws IOException { if (false) { test(); return; } try (final InputValidator in = new InputValidator(System.in)) { // try (final Scanner in = new Scanner(System.in)) { long n = in.nextLong(0, 1_000000000_000000000L); in.newLine(); in.eof(); System.out.println(fib(fib(n, 2000000016), mod)); } } // long // a [n,v] * b [v,m] => c[n,m] static long[][] mulmat(long[][] a, long[][] b, int mod) { assert(a[0].length == b.length); final int n = a.length; final int v = b.length; final int m = b[0].length; long[][] res = new long[n][m]; for(int i = 0; i < n; i++) for(int k = 0; k < v; k++) { final long aa = a[i][k]; for(int j = 0; j < m; j++) { res[i][j] += aa * b[k][j] % mod; res[i][j] %= mod; } } return res; } static long[][] powmat(long r, int mod, long[][] mat) { final int n = mat.length; long[][] x = new long[n][n]; for(int i = 0; i < n; i++) { x[i][i] = 1; } for(;r > 0; r >>>= 1) { if((r&1) == 1) { x = mulmat(x, mat, mod); } mat = mulmat(mat, mat, mod); } return x; } // for debug static void dump(Object... o) { System.err.println(Arrays.deepToString(o)); } static class InputValidator implements Closeable { final InputStream in; final int NO_BUFFER = -2; int buffer; public InputValidator(final InputStream in) { this.in = in; buffer = NO_BUFFER; } int read() throws IOException { final int res = buffer == NO_BUFFER ? in.read() : buffer; buffer = NO_BUFFER; return res; } void unread(int ch) throws IOException { buffer = ch; } // [low, high] long nextLong(long low, long high) throws IOException { long val = 0; int ch = -1; boolean read = false; while (true) { ch = read(); if (!Character.isDigit(ch)) break; read = true; val = val * 10 + ch - '0'; check(val <= high); } check(read); check(ch >= 0); check(val >= low); unread(ch); return val; } int nextInt(int low, int high) throws IOException { return (int)nextLong(low, high); } int[] nextInts(int n, int low, int high) throws IOException { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt(low, high); if (i + 1 != n) space(); } newLineOrEOF(); return res; } void space() throws IOException { int ch = read(); check(ch == ' '); } void newLine() throws IOException { int ch = read(); if (ch == '\r') ch = read(); check(ch == '\n'); } void newLineOrEOF() throws IOException { int ch = read(); check(ch == '\r' || ch == '\n' || ch < 0); } void eof() throws IOException { int ch = read(); check(ch < 0); } void check(boolean b) { if (!b) throw new RuntimeException(); } @Override public void close() throws IOException { } } }