#include <bits/stdc++.h>
using namespace std;
double n,m,sum;
int a,k;
double b[1000000001];
int main(){
	cin >> n >> m >> k;
	for(int i = 1; i<=m;i++){
		for(int j = 1; j<=n;j++){
		cin >> a;
		b[a]++;	
		}
		if(b[k]>= n / 2)
		sum++;
		b[k] = 0;
	}
	if(sum >= m / 2)
	cout << "YES" <<endl;
	else
	cout << "NO" << endl;
return 0;
}