#include <bits/stdc++.h>

using namespace std;

int main() {
    //将十进制转为二进制，并输出每个二进制位的值是0还是1
    int n = 13;
    for (int i = 3; i >= 0; i--)
        cout << (n >> i & 1) << " ";
    return 0;
}