#include <iostream>
#include <cmath>
using namespace std;

void print_binary(int x) {
    string s = "";
    int max_power = log2(x);
    cout << max_power << endl;
    for(int i = 0; i <= max_power; i++) {
        if(x & (1 << i)) {
            s += "1";
        }
        else {
            s += "0";
        }
        
    }
    reverse(s.begin(), s.end());
    cout << s << endl;
}
int main() {
    
    print_binary(5237);
    return 0;
}

// 1010001110101
// 1010001110101