【设计模式】-代理模式

Code

N=  int(input())
D_N = 2*N
# print('Yes')

if len(str(D_N))>len(str(N)):
    print('No')
else:
    for s in str(D_N):
        if s not in str(N) or str(D_N).count(s)!=str(N).count(s):
            print("No")
            break
    else:
        print('Yes')
print(D_N)