#include<bits/stdc++.h>
using namespace std;
char ch,st[100];bool sign;int z;
int read()
{
	z=0;sign=0;ch=getchar();
	while(ch<'0'||ch>'9') ch=getchar();
	while(ch>='0'&&ch<='9') z=z*10+ch-'0',ch=getchar();
	return z;
}
int n,ans[520][520],max1,max2,out;
int main()
{
	freopen("sanguo.in","r",stdin);
	freopen("sanguo.out","w",stdout);
	cin>>n;
	for(int i=1;i<=n-1;i++)
		for(int j=i+1;j<=n;j++)
			ans[j][i]=ans[i][j]=read();
	for(int i=1;i<=n;i++){
		max1=max2=0;
		for(int j=1;j<=n;j++){
			if(ans[i][j]>max1){
				max2=max1;
				max1=ans[i][j];
			}
			else if(ans[i][j]>max2)
				max2=ans[i][j];
		}
		out<max2?out=max2:false;
	}
	cout<<'1'<<endl<<out;
	return 0;
}