#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
const ll maxn=1e6+100;
const ll inf=1e9+10;
ll n,k,q;
ll unat;
map<pair<ll,ll>,ll>a;
map<ll,ll>cntr,cntc,valr,valc;
void add(ll r,ll c,ll val){
unat-=cntr[valc[c]];
unat-=cntc[valr[r]];
if(valc[c]==valr[r])unat++;
cntc[valc[c]]--;
cntr[valr[r]]--;
valc[c]^=val;
valr[r]^=val;
cntc[valc[c]]++;
cntr[valr[r]]++;
unat+=cntc[valr[r]];
unat+=cntr[valc[c]];
if(valr[r]==valc[c])unat--;
a[{r,c}]=val;
}
int main()
{
IOS
cin>>n>>k>>q;
cntr[0]=cntc[0]=n;
unat=n*n;
while(k--){
ll r,c,x;
cin>>r>>c>>x;
add(r,c,x);
}
while(q--){
ll r,c,rr,cc;
cin>>r>>c>>rr>>cc;
ll x=a[{r,c}];
add(r,c,x);
add(rr,cc,x);
cout<<n*n-unat<<endl;
}
return 0;
}
