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#include<stdio.h>
int n,m,k,a[1050],x[1050],y[1060],i,j,p,h[1050];
int main()
{
freopen("balanta.in","r",stdin);
freopen("balanta.out","w",stdout);
scanf("%d%d",&n,&m);
for(i=1;i<=m;i++)
{
scanf("%d",&k);
for(j=1;j<=k;j++)
scanf("%d",&x[j]);
for(j=1;j<=k;j++)
scanf("%d",&y[j]);
scanf("%d",&p);
if(p==0)
{
for(j=1;j<=k;j++)
{
h[x[j]]=h[y[j]]=1;
a[x[j]]=a[y[j]]=1;
}
}
else if(p==1)
{
for(j=1;j<=n;j++)
{
h[j]++;
a[j]++;
}
for(j=1;j<=k;j++)
{
h[x[j]]--;
a[y[j]]--;
}
}
else
{
for(j=1;j<=n;j++)
{
h[j]++;
a[j]++;
}
for(j=1;j<=k;j++)
{
h[y[j]]--;
a[x[j]]--;
}
}
}
int ok=0;
for(i=1;i<=n;i++)
if(h[i]!=a[i])
{
ok=i;
break;
}
printf("%d",ok);
return 0;
}