#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;

int main() {
  int N; cin >> N;
  int A; cin >> A;
  for (int i = 1; i < N; i++) {
    int B; cin >> B;
    if ((B - A) % N) {
      cout << "No" << endl;
      return 0;
    }
  }
  cout << "Yes" << endl;
  return 0;
}