#include<iostream>
#include<cmath>
#include<cstring>
#include<iomanip>
using namespace std;
int main()
{
	int m,n,d,f;double ver,ver1,y,u,sum;
	cin>>m>>n;
	double  a[m][n];
	for (d=0;d<m;d++){
		for (f=0;f<n;f++){
			cin>>a[m][n];
		}
	}cout<<a[0][0];

return 0;
}