#include <bits/stdc++.h>
using namespace std;

long long gcd2(long long a,long long b) {
    if(a == 0 || b == 0) {
        return max(a,b);
    }
    if(a % b == 0) {
        return b;
    }
    else {
        return gcd2(b,a % b);
    }
}

int main() {
    int N;
    cin >> N;
    vector<long long>A(N);
    for(int i = 0; i < N; i++) {
        cin >> A[i];
    }
    sort(A.begin(),A.end());
    long long g = -1;
    for(int i = 0; i+1 < N; i++) {
        if(A[i] == 0) {
            continue;
        }
        if(g == -1) {
            g = A[i+1]-A[i];
        }
        else if(g == 0 || A[i+1]-A[i] == 0) {
            if(g == 0 && A[i+1]-A[i] == 0) {
                continue;
            }
            cout << "No" << endl;
            return 0;
        }
        else {
            g = gcd2(g,A[i+1]-A[i]);
        }
    }
    if(g == 0 || g == -1) {
        cout << "Yes" << endl;
    }
    else {
        int ans = 0;
        for(int i = 0; i+1 < N; i++) {
            if(A[i] == 0) {
                ans--;
            }
            else {
                ans += (A[i+1]-A[i])/g-1;
            }
        }
        cout << ((ans <= 0)?"Yes":"No") << endl;
    }
}