c=int(input()) p=int(input()) ans=0 flag=True while(flag): | OFF CAMPUS UPDATES

c=int(input())
p=int(input())
ans=0
flag=True
while(flag):
if(c%10==0):
ans=c//10
flag=False
elif(((ans-1)*10+p)%c==0 or ((ans-1)*10)%c==0):
ans+=1
flag=False
else:
ans+=1
print(ans)

Recycle upcycle downcycle code