N=int(input())
mem=[]
for i in range(N):
    a=int(input())
    mem.append([a, i])

if N == 1:
    if a == 0:
        print(-1)
    else:
        print(0)
    exit()

mem=sorted(mem, key=lambda x: x[0])
res=[N-i-1 for i in range(N)]

for i in range(N):
    if res[i] == mem[i][0]:
        j = i - 1
        found=False
        while 0 <= j:
            if mem[j][0] == mem[i][0]:
                j -= 1
            else:
                res[i], res[j] = res[j], res[i]
                found=True
                break
        
        if found:
            break
        j = i + 1
        while j < N:
            if mem[j][0] == mem[i][0]:
                j += 1
            else:
                res[i], res[j] = res[j], res[i]
                found=True
                break

        if found:
            break
        else:
            print(-1)
            exit()

ans=[-1]*N
for i in range(N):
    ans[mem[i][1]] = res[i]

for i in ans:
    print(i)