#include<bits/stdc++.h> using namespace std; int main() { int n; int s=0; int a[105]; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=n;i++) { int flag=1; int t=a[i]; while(t!=0) { if((t%10)%2!=0) { flag=0; break; } t=t/10; s+=1; } if(s%2!=0) { flag=0; break; } if(flag==1) { cout<<a[i]<<endl; } } return 0; } /************************************************************** Problem: 1397 User: wangyuxin Language: C++ Result: Wrong Answer ****************************************************************/