#include<bits/stdc++.h>
using namespace std;
int main()
{
int a;
while(1){
a++;
if(a/41%2==0)
cout<<"0";
else
cout<<"1";
}
return 0;
}
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a;
while(1){
a++;
if(a/41%2==0)
cout<<"0";
else
cout<<"1";
}
return 0;
}