/*
TASK:seq
LANG:C++
*/
#include <iostream>
using namespace std;
int main()
{
    int n,i,t,m;
    int a[10][9999];
    do {cin >> n;} while ((n<=0)||(n>10));
    for (i=0; i<n; i++)
    {
        cin >> m;
        for (t=0;t<m;t++)
        cin >> a[i][t];
    }
    if (n==1)
    {
       if (a[0][1]>a[0][0]) cout << 0;
       else cout << 1;
    }
    if (n>1)
    {
    for (i=0;i<n;i++) {cout << 1;}
    }
return 0;
}
