666

#include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<iomanip> # include<stdio.h> using namespace std; int main() { int n,s,max=0,m=0; cin>>n; int a[100] = {0}; for(int i=1;i<=n*3;i++){ cin>>s; a[s]++; } for(int i=1;i<=n;i++){ if(max<a[i]){ max=a[i]; m=i; } }cout<<m; }