#include<bits/stdc++.h>
using namespace std;

int n;
char c[100000];
int a[100000];

int main(){
    cin>>n;
    
    int i=1;
    while(cin>>c[i])
	{
		a[i]=int(c[i]-'0');
		i++;
	}
    
    int now1=0;
    int now2=1;
    
    while(now2<=i)
    {
        for(int j=1;j<=a[now2];j++)
        {
			now1++;
            cout<<(now2+1)%2;
            if(now1%n==0)cout<<"\n";
        }
        now2++;
    }
    
    
    
    return 0;
}