package no147a; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static int MAX = 80000; static long MOD = 1000000007; static BigInteger MODBI = BigInteger.valueOf(MOD); public static void main(String[] args) { IO io = new IO(); int n = io.nextInt(); long ans = 1; for(int i=0;i 0) { if ((n & 1) > 0) { res = (res * x) % mod; } x = (x * x) % mod; n/=2; } return res; } public static long fibmod(long n,long mod) { // | Fn+1 Fn | = | 1 1 |n // | Fn Fn-1| | 1 0 | long m2 = 1; long m1 = 1; long m0 = 0; long x2 = 1; long x1 = 1; long x0 = 1; while(n > 0) { if (n % 2 == 1) { long a2 = (x2 * m2 + x1 * m1) % MOD; long a1 = (x2 * m1 + x1 * m0) % MOD; long a0 = (x1 * m1 + x0 * m0) % MOD; x2 = a2; x1 = a1; x0 = a0; } n /= 2; if (n > 0) { long a2 = (m2 * m2 + m1 * m1) % MOD; long a1 = (m2 * m1 + m1 * m0) % MOD; long a0 = (m1 * m1 + m0 * m0) % MOD; m2 = a2; m1 = a1; m0 = a0; } } return x1; } } class IO extends PrintWriter { private final InputStream in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; public IO() { this(System.in);} public IO(InputStream source) { super(System.out); this.in = source;} private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private static boolean isNewLine(int c) { return c == '\n' || c == '\r';} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} private void skipNewLine() { while(hasNextByte() && isNewLine(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public boolean hasNextLine() { skipNewLine(); return hasNextByte();} public String next() { if (!hasNext()) { throw new NoSuchElementException(); } StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public char[] nextCharArray(int len) { char[] s = new char[len]; if (!hasNext()) { throw new NoSuchElementException(); } int i = 0; int b = readByte(); while(isPrintableChar(b)) { if (i == len) { throw new InputMismatchException(); } s[i++] = (char) b; b = readByte(); } return s; } public String nextLine() { if (!hasNextLine()) { throw new NoSuchElementException(); } StringBuilder sb = new StringBuilder(); int b = readByte(); while(!isNewLine(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) { throw new NoSuchElementException(); } long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) { throw new NumberFormatException(); } return (int) nl; } public char nextChar() { if (!hasNext()) { throw new NoSuchElementException(); } return (char) readByte(); } public double nextDouble() { return Double.parseDouble(next());} public int[] arrayInt(int n) { int[] a = new int[n]; for(int i=0;i