#include <stdio.h>

FILE *f,*s;

int t,n,x,y,i,j,k,rez;

int main()
{
	f=fopen("xerox.in","r");
	s=fopen("xerox.out","w");
	
	fscanf(f,"%d",&t);
	
	for(i=1;i<=t;i++)
	{
		fscanf(f,"%d %d %d",&n,&x,&y);
		
		fscanf(f,"%d",&k);
		
		if(i==1)
			rez=k;
		else
			rez^=k;
		
		for(j=1;j<=k;j++)
			fscanf(f,"%d %d",&x,&y);
	}	
	
	if(rez==0)
		fprintf(s,"0");
	else
		fprintf(s,"1");
	
	fclose(s);
	
	return 0;
}