#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    freopen("xerox.in","r",stdin);
    freopen("xerox.out","w",stdout);
    int N,K;
    scanf("%d",&N);
    int rez=0,a,b;
    for(int i=1; i<=N; i++)
    {

        scanf("%d%d%d",&K,&b,&b);
        for(int i=1; i<=K; i++)
        {
            scanf("%d",&a);
            for(int j=1; j<=a; j++)
                scanf("%d%d",&b,&b);
            rez = rez ^ a;
        }
    }
    if(rez==0)
        printf("0\n");
    else
        printf("1\n");
    return 0;
}