#include
using namespace std;
int main() {
int n;
cin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=i;j++)
{
if(i%2!=0)
{
cout<<“1”;
}
else{
cout<<“1”;
while(j<=i-2)
{
cout<<"0";
}
cout<<"1";
}
}
cout<<endl;
}
return 0;
}