pc2017A

#include <iostream>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    int x, y, z;

    while (cin >> x >> y >> z) {
        x >>= z;

        int reverse = 0;

        for (int i = 0; i < y; i++) {
            int thisBit = !(x % 2);
            reverse += thisBit << i;
            x >>= 1;
        }

        cout << reverse << endl;

    }


}