from collections import defaultdict


n = int(input())
a = list(map(int, input().split()))
if not n - 1 <= sum(a) <= n * (n - 1) // 2:
    exit(print("NO"))
d = defaultdict(int)
ans = []
for i in a:
    if d[i] + i >= n:
        exit(print("NO"))
    ans.append(d[i] + 1)
    d[i] += 1
print("YES")
print(*ans, sep="\n")