#include<iostream> #include<cstdio> using namespace std; int main() { int n; cin>>n; int xz[n+1]= {0}; int p1,p2,p3; for(int i=1; i<=n; i++) { cin>>p1>>p2>>p3; xz[p1]++; xz[p2]++; xz[p3]++; } int bz=1; for(int i=1; i<=n; i++) { if(xz[i]>xz[bz]) { bz=i; } } cout<<bz<<endl; return 0; }