#include <iostream>
#include <string>
using namespace std;

int main(void){
int n;string a[10],b;
cin>>n;
for(int i=0;i<n;i++)cin>>a[i];
for(int i=0;i<n;i++){
cin>>b;
if(a[i]!=b){
cout<<i+1<<endl<<a[i]<<endl<<b<<endl;
}
}
return 0;
}