#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("flip.in");
ofstream g("flip.out");
int n,m,a[100][100];
   void citire(){
   int i,j;
   f>>n>>m;
   for(i=1;i<=n;i++)
    for(j=1;j<=m;j++)f>>a[i][j];
   }
int main()
{ citire();
  f.close();
  //g.close();
  ifstream f("flip.out");
  int k;
  f>>k;
  g.close();
  ofstream g("flip.out");
  g<<k;

    return 0;
}