11

#include <iostream>

using namespace std;

int main() {
    int x, y;
    cout << "x = " << endl;
    cin >> x;
    cout << "y = " << endl;
    cin >> y;
    bool k = 0;
    if ((x == y + 1) || (y == x + 1)) {
        k = 1;
    }
    cout << k;
    return 0;
}