//第12个点
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,k;
int a[70],b[70];
signed main()
{
    cin>>n>>k;
    int p=0;
    while(k)
    {
        a[++p]=k%2;
        k/=2;
    }
    for(int i=1;i<=p;i++)
        if(a[i]!=a[i+1])b[i]=1;
        else b[i]=0;
    for(int i=n;i>=1;i--)cout<<b[i];
    return 0;
}