#include<bits/stdc++.h>
const int N = 1e5 + 5;
using namespace std;
typedef pair <int, int> ii;
map <int, int> mp[2], val[2];
map <ii, int> ro;
int n, k, p;
long long ans;
void add(int i, int num, int x){
ans += 1LL * mp[0][val[i][num]] * mp[1][val[i][num]];
mp[i][val[i][num]]--;
ans -= 1LL * mp[0][val[i][num]] * mp[1][val[i][num]];
val[i][num] ^= x;
ans += 1LL * mp[0][val[i][num]] * mp[1][val[i][num]];
mp[i][val[i][num]]++;
ans -= 1LL * mp[0][val[i][num]] * mp[1][val[i][num]];
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n >> k >> p;
mp[0][0] = mp[1][0] = n;
while (k--){
int r, c, x;
cin >> r >> c >> x;
add(0, r, x); add(1, c, x);
ro[ii(r,c)] = x;
}
while (p--){
int r1, c1, r2, c2;
cin >> r1 >> c1 >> r2 >> c2;
int x = ro[ii(r1,c1)];
ro[ii(r1,c1)] = 0; ro[ii(r2,c2)] = x;
add(0, r1, x); add(1, c1, x);
add(0, r2, x); add(1, c2, x);
cout << ans << "\n";
}
}
