#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
const int64 MOD = 1000000007LL;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int N, M, K;
cin >> N >> M >> K;
vector<int64> row(N + 1, 1), col(M + 1, 1);
auto norm = [](int64 x) {
x %= MOD;
if (x < 0) x += MOD;
return x;
};
int64 sumR = N % MOD;
int64 sumIR = (1LL * N * (N - 1) / 2) % MOD;
int64 sumC = M % MOD;
int64 sumJC = (1LL * M * (M + 1) / 2) % MOD;
for (int i = 0; i < K; i++) {
char type;
int x;
int64 y;
cin >> type >> x >> y;
y %= MOD;
if (type == 'R') {
int64 old = row[x];
int64 diff = norm(y - old);
row[x] = y;
sumR = norm(sumR + diff);
sumIR = norm(sumIR + 1LL * (x - 1) % MOD * diff);
} else {
int64 old = col[x];
int64 diff = norm(y - old);
col[x] = y;
sumC = norm(sumC + diff);
sumJC = norm(sumJC + 1LL * x % MOD * diff);
}
}
int64 ans = 0;
ans = (ans + (1LL * M % MOD) * sumIR % MOD * sumC) % MOD;
ans = (ans + sumR * sumJC) % MOD;
cout << ans % MOD << '\n';
return 0;
}
