#include <stdio.h>
#include <string.h>
#define N 100000
#define Q 100000
#define M (N + Q * 2)
#define M_ (M * 2 + 1)
unsigned int X = 12345;
int rand_() {
return (X *= 3) >> 1;
}
int xx[M], yy[M], ww[M_];
int compare_x(int i, int j) { return xx[i] - xx[j]; }
int compare_y(int i, int j) { return yy[i] - yy[j]; }
int compare_xy(int i, int j) { return xx[i] != xx[j] ? xx[i] - xx[j] : yy[i] - yy[j]; }
int compare_w(int i, int j) { return ww[i] - ww[j]; }
int (*compare)(int, int);
void sort(int *ii, int l, int r) {
while (l < r) {
int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;
while (j < k) {
int c = compare(ii[j], i_);
if (c == 0)
j++;
else if (c < 0) {
tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
i++, j++;
} else {
k--;
tmp = ii[j], ii[j] = ii[k], ii[k] = tmp;
}
}
sort(ii, l, i);
l = k;
}
}
void compress(int *xx, int n) {
static int ii[M_];
int i, x;
for (i = 0; i < n; i++)
ii[i] = i;
sort(ii, 0, n);
for (i = 0, x = 0; i < n; i++)
xx[ii[i]] = i + 1 == n || compare(ii[i + 1], ii[i]) != 0 ? x++ : x;
}
int main() {
static int ii_[M], aa[N], aa_[M], uu[M], vv[M], kk[M_], ll[M_];
int s, n, q, m, i;
long long ans;
scanf("%d%d%d", &s, &n, &q), m = n + q * 2;
for (i = 0; i < n; i++)
scanf("%d%d%d", &xx[i], &yy[i], &aa[i]);
for (i = 0; i < q * 2; i++)
scanf("%d%d", &xx[n + i], &yy[n + i]);
compare = compare_x, compress(xx, m);
compare = compare_y, compress(yy, m);
compare = compare_xy, compress(ii_, m);
for (i = 0; i < n; i++) {
int i_ = ii_[i];
aa_[i_] = aa[i];
ww[i << 1 | 0] = uu[xx[i]] ^= aa_[i_], ww[i << 1 | 1] = vv[yy[i]] ^= aa_[i_];
}
for (i = 0; i < q * 2; i++) {
int i_ = ii_[n + i];
if ((i & 1) == 1)
aa_[i_] = aa_[ii_[n + (i ^ 1)]];
ww[n + i << 1 | 0] = uu[xx[n + i]] ^= aa_[i_], ww[n + i << 1 | 1] = vv[yy[n + i]] ^= aa_[i_];
}
compare = compare_w, compress(ww, m * 2 + 1);
kk[0] = ll[0] = s;
memset(uu, 0, m * sizeof *uu), memset(vv, 0, m * sizeof *vv);
ans = 0;
for (i = 0; i < m; i++) {
int x = xx[i], y = yy[i];
ans += ll[uu[x]], kk[uu[x]]--, uu[x] = ww[i << 1 | 0], ans -= ll[uu[x]], kk[uu[x]]++;
ans += kk[vv[y]], ll[vv[y]]--, vv[y] = ww[i << 1 | 1], ans -= kk[vv[y]], ll[vv[y]]++;
if (i >= n && (i - n & 1) == 1)
printf("%lld\n", ans);
}
return 0;
}
