#include <bits/stdc++.h>
using namespace std;
int main() {
    int a = 10, b = 20;

    cout << "a<<8=" << (a << 8) << endl;
    int x = 2560;
    // 101000000000
    vector<int> q;
    while (x) {
        q.push_back(x % 2);
        x /= 2;
    }
    for (int i = q.size() - 1; i >= 0; i--) cout << q[i];
    cout << endl;

    a = (a << 8) | b;

    b = a >> 8;
    a = a & 0xff;
    cout << a << " " << b << endl;
    return 0;
}