#include<iostream> #include<cstdio> using namespace std; int main(){ int n,t,max_d,max_b; cin>>n; int a[n+1]; for(int i=1;i<=n;i++) a[i]=0; for(int i=1;i<=n*3;i++){ cin>>a[i]; t++; if(a[i]>max_d){ max_d=a[i]; max_b=i; } } cout<<max_b; return 0; }