#include <iostream>
using namespace std;

void out(int i, int k, int *a) {
    if (i == 0) {
        return;
    }
    if (i == 1) {
        if (k == 1)
            cout << 0;
        else
            cout << 1;
        return;
    }
    if (k <= a[i - 1]) {
        cout << 0;
        out (i - 1, k, a);
    }
    else {
        cout << 10;
        out(i - 2, k - a[i-1], a);
    }
}


int main() {
    int n, k;
    cin >> n >> k;
    int dp[50];
    dp[0] =0;
    dp[1] = 2;
    dp[2] = 3;
    for (int i = 3; i <= n; i++)
        dp[i] = dp[i - 1] + dp[i - 2];
    out(n, k+1, dp);
    cout << "\n";
    return 0;
}