using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;

namespace Main {
    class Program {

        static void Main(string[] args) {
            int N = ReadInt1();
            int[] Ary = ReadIntAry();

            int sum = 0; 
            for (int i = 0; i < N; i++) {
                sum += Ary[i];
            }

            Console.WriteLine((sum % N == 0) ? "Yes" : "No");
        }

        public static int Lcm(int a, int b) {
            return a * b / Gcd(a, b);
        }
        public static int Gcd(int a, int b) {
            if (a < b)
                return Gcd(b, a);
            while (b != 0) {
                var remainder = a % b;
                a = b;
                b = remainder;
            }
            return a;
        }
        static void AddValue2Dic(ref Dictionary<string, int> dic, string key, int val) {
            if (!dic.ContainsKey(key))
                dic.Add(key, val);
            else
                dic[key] += val;
        }
        static void AddValue2Dic(ref Dictionary<int, int> dic, int key, int val) {
            if (!dic.ContainsKey(key))
                dic.Add(key, val);
            else
                dic[key] += val;
        }

        static long[] ReadLongAry() => Array.ConvertAll(Console.ReadLine().Split(), long.Parse);
        static long ReadLong1() { return long.Parse(Console.ReadLine()); }
        static (long, long) ReadLong2() { var x = ReadLongAry(); return (x[0], x[1]); }
        static (long, long, long) ReadLong3() { var x = ReadLongAry(); return (x[0], x[1], x[2]); }

        static int[] ReadIntAry() => Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
        static int ReadInt1() { return int.Parse(Console.ReadLine()); }
        static (int, int) ReadInt2() { var x = ReadIntAry(); return (x[0], x[1]); }
        static (int, int, int) ReadInt3() { var x = ReadIntAry(); return (x[0], x[1], x[2]); }

        static string[] ReadStrAry() => Console.ReadLine().Split();
        static string ReadStr1() { return Console.ReadLine(); }
        static (string, string) ReadStr2() { var x = ReadStrAry(); return (x[0], x[1]); }
        static (string, string, string) ReadStr3() { var x = ReadStrAry(); return (x[0], x[1], x[2]); }
    }

    public static class Combination {
        public static IEnumerable<T[]> Enumerate<T>(IEnumerable<T> items, int k, bool withRepetition) {
            if (k == 1) {
                foreach (var item in items)
                    yield return new T[] { item };
                yield break;
            }
            foreach (var item in items) {
                var leftside = new T[] { item };
                var unused = withRepetition ? items : items.SkipWhile(e => !e.Equals(item)).Skip(1).ToList();
                foreach (var rightside in Enumerate(unused, k - 1, withRepetition)) {
                    yield return leftside.Concat(rightside).ToArray();
                }
            }
        }
    }
}