import sys,random
from itertools import permutations
from collections import deque

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

N = int(input())
A = li()

if all(a%N == A[0]%N for a in A):
    print("Yes")
else:
    print("No")