#include <iostream> #include <string> #include <algorithm> #include <vector> #include <iomanip> #include <cmath> #include <stdio.h> #include <queue> #include <deque> #include <cstdio> #include <set> #include <map> #include <bitset> #include <stack> #include <cctype> using namespace std; int main() { long long n, a; long long sum = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> a; sum += a; } if (sum % n == 0) { cout << "Yes" << endl; } else { cout << "No" << endl; } }