import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	int n = sc.nextInt();
    	int[] arr = new int[n + 2];
    	for (int i = 1; i <= n; i++) {
    	    arr[i] = sc.nextInt();
    	}
    	long[] sums = new long[n + 2];
    	for (int i = n; i >= 1; i--) {
    	    sums[i] = sums[i + 1] + arr[i];
    	    if (sums[i] % i != 0) {
    	        System.out.println("No");
    	        return;
    	    }
    	}
    	System.out.println("Yes");
   }
}