import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        ArrayList<Long> list = new ArrayList<>();
        long count = 0;
        for (int i = 0; i < n; i++) {
            long x = sc.nextLong();
            if (x == 0) {
                count++;
            } else {
                list.add(x);
            }
        }
        if (list.size() <= 1) {
            System.out.println("Yes");
            return;
        }
        Collections.sort(list);
        ArrayList<Long> diff = new ArrayList<>();
        for (int i = 0; i < list.size() - 1; i++) {
            diff.add(list.get(i + 1) - list.get(i));
        }
        Collections.sort(diff);
        if (diff.get(0) == 0) {
            if (diff.get(diff.size() - 1) == 0) {
                System.out.println("Yes");
            } else {
                System.out.println("No");
            }
            return;
        }
        for (int i = 1; i < diff.size() && count >= 0; i++) {
            if (diff.get(i) % diff.get(0) == 0) {
                count -= diff.get(i) / diff.get(0) - 1;
            } else {
                System.out.println("No");
                return;
            }
        }
        if (count >= 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} 
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();
    }
    
}