m=int(input()) if m==int(str(m)[::-1]): print("是回文数") c=0 while m!=int(str(m)[::-1]) and c<=10: m+=int(str(m)[::-1]) c+=1 if c>10: print("NO!") else: print(c) print(m)

n=input()
i=0
m=n[::-1]
while i<10:
    if n!=m:
        n=int(n)+int(m)
        i+=1
        n=str(n)
        m=n[::-1]
    elif n==m:
        print(i)
        print(n)
print("NO!")