#include using namespace std; #define vi vector #define vvi vector #define vs vector #define pb push_back #define P pair #define vp vector

#define PP pair #define vpp vector #define fi first #define se second #define INF 1e9 #define MOD 1000000007 #define REP(i,n) for(int i=0;i=0;i--) #define FOR(i,m,n) for(int i=m;i>n; vs a(n); REP(i,n){ cin>>a[i]; } vs b(n); REP(i,n){ cin>>b[i]; } REP(i,n){ if(a[i]!=b[i]){ cout<