#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define int long long
signed main()
{
ios::sync_with_stdio(0);
cin.tie(NULL), cout.tie(NULL);
int n,k,q;
cin>>n>>k>>q;
map<int,int> mr, mc, ct, ct1, cnt, cnt1;
map<pair<int,int>,int> val;
for (int i=0;i<k;i++)
{
int r,c,x;
cin>>r>>c>>x;
val[{r,c}]=x;
ct[r]++, ct1[c]++, mr[r]^=x, mc[c]^=x;
}
int sub=0,t=0,t1=0;
for (auto [x,i]:mr)
cnt[i]++,t+=(i>0);
for (auto [x,i]:mc)
cnt1[i]++, sub+=cnt[i], t1+=(i>0);
while (q--)
{
int r,c,r1,c1;
cin>>r1>>c1>>r>>c;
ct[r1]--, ct1[c1]--;
int x=val[{r1,c1}];
if (!ct[r1]) ct.erase(r1);
if (!ct1[c1]) ct1.erase(c1);
set<int> se;
se.insert(mr[r1]), se.insert(mc[c1]), se.insert(mr[r1]^x), se.insert(mc[c1]^x);
se.insert(mr[r]), se.insert(mc[c]), se.insert(mr[r]^x), se.insert(mc[c]^x);
for (int i:se)
sub-=cnt[i]*cnt1[i]*(i>0);
cnt[mr[r1]]--, cnt1[mc[c1]]--;
if (mr[r1]) t--; if (mc[c1]) t1--;
mr[r1]^=x, mc[c1]^=x;
cnt[mr[r1]]++, cnt1[mc[c1]]++;
if (mr[r1]) t++; if (mc[c1]) t1++;
if (mr[r]) t--; if (mc[c]) t1--;
cnt[mr[r]]--, cnt1[mc[c]]--;
mr[r]^=x, mc[c]^=x;
cnt[mr[r]]++, cnt1[mc[c]]++;
if (mr[r]) t++; if (mc[c]) t1++;
for (int i:se)
sub+=cnt[i]*cnt1[i]*(i>0);
ct[r]++, ct1[c]++;
cout<<t*t1-sub+t*(n-t1)+t1*(n-t)<<endl;
val.erase({r1,c1}), val[{r,c}]=x;
}
return 0;
}
