#include <fstream>

using namespace std;
int a[10000];
int main()
{
    ifstream cin("balanta.in");
    ofstream cout("balanta.out");
    int n,m,k,s=0,s2=0,r,s1=0,s21=0,cnt=0,ci;
    cin>>n>>m;
    for(int i=1; i<=m; i++)
    {
        cin>>k;
        for(int j=1; j<=k; j++)
        {
            cin>>a[j];
            s=s+a[j];
        }
        for(int j=k+1; j<=k*2; j++)
        {
            cin>>a[j];
            s2=s2+a[j];
        }
        cin>>r;
        if(r==0)
        {
            s=s2;
            s1=s1+s;
            s21=s21+s2;
        }
        if(r==1)
        {
            s<s2;
            s1=s1+s;
            s21=s21+s2;
        }
        if(r==2)
        {
            s>s2;
            s1=s1+s;
            s21=s21+s2;
        }
        if(s<s2)
            k=s2-s;
        else
            k=s-s2;
    }
    if(k<=n&&k>=1)
        cout<<k;
    else
    cout<<0;
            return 0;
}