using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Threading; // (づ°ω°)づミe★゜・。。・゜゜・。。・゜☆゜・。。・゜゜・。。・゜ public class Solver { public void Solve() { int n = ReadInt(); int m = ReadInt(); var a = ReadIntArray(); long x = 1; foreach (int aa in a) x = x * Math.Abs(aa) % m; Write(x > 0 ? "NO" : "YES"); } #region Main protected static TextReader reader; protected static TextWriter writer; static void Main() { #if DEBUG reader = new StreamReader("..\\..\\input.txt"); //reader = new StreamReader(Console.OpenStandardInput()); writer = Console.Out; //writer = new StreamWriter("..\\..\\output.txt"); #else reader = new StreamReader(Console.OpenStandardInput()); writer = new StreamWriter(Console.OpenStandardOutput()); //reader = new StreamReader("input.txt"); //writer = new StreamWriter("output.txt"); #endif try { new Solver().Solve(); //var thread = new Thread(new Solver().Solve, 1024 * 1024 * 128); //thread.Start(); //thread.Join(); } catch (Exception ex) { #if DEBUG Console.WriteLine(ex); #else throw; #endif } reader.Close(); writer.Close(); } #endregion #region Read / Write private static Queue currentLineTokens = new Queue(); private static string[] ReadAndSplitLine() { return reader.ReadLine().Split(new[] { ' ', '\t', }, StringSplitOptions.RemoveEmptyEntries); } public static string ReadToken() { while (currentLineTokens.Count == 0) currentLineTokens = new Queue(ReadAndSplitLine()); return currentLineTokens.Dequeue(); } public static int ReadInt() { return int.Parse(ReadToken()); } public static long ReadLong() { return long.Parse(ReadToken()); } public static double ReadDouble() { return double.Parse(ReadToken(), CultureInfo.InvariantCulture); } public static int[] ReadIntArray() { return ReadAndSplitLine().Select(int.Parse).ToArray(); } public static long[] ReadLongArray() { return ReadAndSplitLine().Select(long.Parse).ToArray(); } public static double[] ReadDoubleArray() { return ReadAndSplitLine().Select(s => double.Parse(s, CultureInfo.InvariantCulture)).ToArray(); } public static int[][] ReadIntMatrix(int numberOfRows) { int[][] matrix = new int[numberOfRows][]; for (int i = 0; i < numberOfRows; i++) matrix[i] = ReadIntArray(); return matrix; } public static int[][] ReadAndTransposeIntMatrix(int numberOfRows) { int[][] matrix = ReadIntMatrix(numberOfRows); int[][] ret = new int[matrix[0].Length][]; for (int i = 0; i < ret.Length; i++) { ret[i] = new int[numberOfRows]; for (int j = 0; j < numberOfRows; j++) ret[i][j] = matrix[j][i]; } return ret; } public static string[] ReadLines(int quantity) { string[] lines = new string[quantity]; for (int i = 0; i < quantity; i++) lines[i] = reader.ReadLine().Trim(); return lines; } public static void WriteArray(IEnumerable array) { writer.WriteLine(string.Join(" ", array)); } public static void Write(params object[] array) { WriteArray(array); } public static void WriteLines(IEnumerable array) { foreach (var a in array) writer.WriteLine(a); } private class SDictionary : Dictionary { public new TValue this[TKey key] { get { return ContainsKey(key) ? base[key] : default(TValue); } set { base[key] = value; } } } private static T[] Init(int size) where T : new() { var ret = new T[size]; for (int i = 0; i < size; i++) ret[i] = new T(); return ret; } #endregion }