#include<stdio.h>

int main(void) {
	int N;
	long A[100001];
	long long sum = 0;
	scanf("%d", &N);
	for (int i = 0; i < N; i++) {
		scanf("%d", &A[i]);
		sum += A[i];
	}
	if (sum%N == 0) {
		printf("Yes\n");
	}else {
		printf("No\n");
	}
	return 0;
}