#include
using namespace std;
int main() {
int arr[31][31];
int m;
int n;
int p;
int q;
cin >> m >> n;
p = 0;
q = n - 1;
for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
cin >> arr[i][j];
}
}
int x;
cin >> x;
while (p < m && q >= 0) {
if (arr[p][q] == x)
cout << "1";
else if (arr[p][q] > x)
q--;
else
p++;
}
cout << “0”;
return 0;
}