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#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;
}