#include <iostream>
using namespace std;
int main() {
    int arr[3][3] = {0};
    for(int i=0; i<3; i++) {
        for(int j=0; j<3; j++) {
            if(i == j) arr[i][j] = i + j;
            else if(i > j) arr[i][j] = i - j;
            else arr[i][j] = j - i;
        }
    }
    cout << arr[2][1] + arr[1][2] << endl;
    return 0;
}