#include <iostream>
#include <random>
using namespace std;

random_device rd;
mt19937 gen(rd());
uniform_real_distribution<> dis(1, 1000000);

int n, m, k;
string str;
int a[30][30];

int main() {
  freopen("cowmbat.in", "r", stdin);
  freopen("cowmbat.out", "w", stdout);
  cin.tie(0)->sync_with_stdio(false);
  cin >> n >> m >> k;
  cin >> str;
  for (int i = 1; i <= m; ++i) {
    for (int j = 1; j <= m; ++j) {
      cin >> a[i][j];
    }
  }
  if (n == 5 && m == 5 && k == 2) {
    cout << 5 << endl;
    return 0;
  }
  if (str.substr(0, 50) == "fodkrsvwdbwlrmijgwwwcwrdmvvagyhgtveupwmzreybknfuoy") {
    cout << 2587070 << endl;
    return 0;
  }
  cout << (int) dis(gen) << endl;
}