#include <iostream>

using namespace std;

int main() {
    int arr[10000][10000] = {0};
    for (int i = 0;i < 3;i++) {
        int x;
        int y;
        cin >> x >> y;
        if (x < 0) {
            x *= -1;
        }  if (y < 0) {
            y *= -1;
        }
        arr[x][y] = 1;
    }
    
    return 0;
}