#include using namespace std; #define int long long int N; signed main(){ cin>>N; vector A(N+1); for(int i = 0; i <= N; i++) cin>>A[i]; int cnt = 0; for(int i = 2; i <= N; i++) cnt += A[i]*(i-1); int rem = A[1] - cnt; bool flag = ((A[1] - cnt) % 2 == 0); if(rem >= N+1 && (rem - N-1)%2 == 0) flag = true; if(rem >= N+2 && (rem - N-2)%2 == 0) flag = true; if(rem >= 0 && flag) cout << "Yes" << endl; else cout << "No" << endl; }