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#include<cstdio>
#include<iostream>
#include<algorithm>
//#include<queue>
//#include<vector>
//#include<bits/stdc++.h>
#define ll long long
#define ddd printf("-----------------------\n");
using namespace std;
const int maxn=5e2+10 ;
int n;
ll ans=0,a[maxn][maxn];
int main()
{
ios::sync_with_stdio(false);
cin>>n;
for(int i=1;i<n;i++){
for(int j=i+1;j<=n;j++)
cin>>a[i][j],a[j][i]=a[i][j];
}
for(int i=1;i<=n;i++)
{
sort(a[i]+1,a[i]+1+n);
ans=max(ans,a[i][n-1]);
}
cout<<"1\n"<<ans<<'\n';
return 0;
}