#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    vector <long long> c (k, 0);
    vector <long long> cr (n, 0);
    vector <vector <pair <int, int>>> r (n, vector <pair <int, int>> (0));
    for (int i = 0; i < n; i++) {
        int t;
        cin >> t;
        for (int j = 0; j < t; j++) {
            int t1, t2;
            cin >> t1 >> t2;
            t1--;
            r[i].push_back(pair <int, int> {t1, t2});
        }
    }
    for (int i = 0; i < m; i++) {
        int t;
        cin >> t;
        for (int j = 0; j < t; j++) {
            int t1, t2;
            cin >> t1 >> t2;
            t1--;
            
            cr[t1] += t2;
        }
    }

    for (int i = 0; i < n; i++) {
        for (auto it : r[i]) {
            c[it.first] += it.second * cr[i];
        }
    }
    for (int i = 0; i < k; i++) {
        cout << c[i] << ' ';
    }
	return 0;
}