#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("turn.in");
ofstream fout("turn.out");
long long n,k,i,j,l,ok,v[49001],y;
int main()
{
fin>>n>>m;
for(i=1;i<=n;i++)
{for(j=1;j<=m;j++)
 fin>>v[i][j];
 }
 a=v[1][n];
 for(j=n-1;j>=1;j--)
 {

 }
    return 0;
}