///////////////////////////////////////////////////////////////////////////////////////////////
#include <bits/stdc++.h>
using namespace std;
// #define int long long
#define FAST_IO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define FILE_IO(x) freopen((string(x) + ".in").c_str(), "r", stdin); freopen((string(x) + ".out").c_str(), "w", stdout)
#define f first
#define s second
#define x1 x1qwer
#define y1 y1qwer
#define right right123
#define left left123
#define foreach(it, v) for (auto it : v)
#define rep(it, n) for (int it = 0; it < n; ++it)
#define forin(it, l, r) for (int it = l; it < r; ++it)
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef unsigned long long ull;
typedef double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const double DINF = numeric_limits<double>::infinity();
const ll MOD = 1e9 + 7;
const double EPS = 1e-7;
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
mt19937 mmtw_(MOD);
uniform_int_distribution<ll> rd_;
ll randomll() { return rd_(mmtw_);}
ll rnd(ll x, ll y) { return rd_(mmtw_) % (y - x + 1) + x; }
template <class T> T fact(T n) { if (n == 1) return 1; return n * fact(n - 1); }
////////////////////////////////////////////////////////////////////////////////////////////////
int n, m, k;
ll res = 0;
map<int, int> rcnt, rval;
map<int, int> ccnt, cval;
map<pair<int, int>, int> rooks;
void add(int r, int c, int a) {
res -= (n - ccnt[rval[r]]);
res -= (n - rcnt[cval[c]]);
if (rval[r] != cval[c]) res++;
// cout << res << endl;
rcnt[rval[r]]--;
rval[r] ^= a;
rcnt[rval[r]]++;
ccnt[cval[c]]--;
cval[c] ^= a;
ccnt[cval[c]]++;
res += (n - ccnt[rval[r]]);
res += (n - rcnt[cval[c]]);
if (rval[r] != cval[c]) res--;
}
int main() {
FAST_IO;
cin >> n >> m >> k;
rcnt[0] = n; ccnt[0] = n;
rep(i, m) {
// cout << "--- " << i << " ---" << endl;
int x, y, a;
cin >> x >> y >> a;
add(x - 1, y - 1, a);
rooks[{x - 1, y - 1}] = a;
}
// cout << res << endl;
rep(i, k) {
// cout << "--- " << i << " ---" << '\n';
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;
x1--; y1--; x2--; y2--;
int val = rooks[{x1, y1}];
add(x1, y1, val);
add(x2, y2, val);
rooks[{x1, y1}] = 0;
rooks[{x2, y2}] = val;
cout << res << '\n';
}
}
