题解 | 红魔馆的馆主

import sys

for line in sys.stdin:
    a_l = line.split()
    a=int(a_l[0])
    list=[]
    list_s=[]
    b=495
    if a%b==0:
        list.append(-1)
    else:
        for i in range(497):
            if i<10:
                a_2=a*10+i
                if a_2%b==0:
                    list.append(i)
                a_3=int(str(a)+"0"+str(i))
                if a_3%b==0:
                    list_s.append(str(0)+str(i))
                a_4=int(str(a)+"00"+str(i))
                if a_4%b==0:
                    list_s.append(str(00)+str(i))
            elif i<100:
                a_2=a*100+i
                if a_2%b==0:
                    list.append(i)
                a_3=int(str(a)+"0"+str(i))
                if a_3%b==0:
                    list_s.append(str(0)+str(i))
            else:
                a_2=a*1000+i
                if a_2%b==0:
                    list.append(i)
list.sort()
list_s.sort()
if len(list_s) and len(list)>0:
    if list[0]< int(list_s[0]):
        print(list[0])
    else:
        print(int(list_s[0]))
elif len(list):
    print(list[0])
else:
    print(list_s[0])

感觉题目描述有些问题，描述不够清楚