#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
using ll=long long;
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
template<class T> bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;}
template<class T> bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N;
    cin>>N;
    ll s=0;
    vector<ll>A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    for(int i=0;i<N-1;i++){
        if(abs(A[i]-A[i+1])%N!=0){
            cout<<"No"<<"\n";
            return 0;
        }
    }
    cout<<"Yes"<<"\n";
}