//老师您是不是偷看了我A题的代码？ #include<bits/stdc++.h> using namespace std; int a[110]; int main(){ for(int i=1;i<=100;i++){ cin>>a[i]; if(a[i]==0) break; if(a[i]%2==1) cout<<1<<endl; else if(a[i]%8==0) cout<<8<<endl; else if(a[i]%4==0) cout<<4<<endl; else if(a[i]%2==0) cout<<2<<endl; } return 0; }