#include <bits/stdc++.h>
using namespace std;
 
int main() {
    int n;
    cin >> n;
    map<int, map<int, pair<int,int>>> desa; 
    // desa[kode][gol_darah] = {jumlah, total_volume}
 
    for(int i=0;i<n;i++){
        int d,g,v;
        cin >> d >> g >> v;
        desa[d][g].first++;
        desa[d][g].second += v;
    }
 
    for(auto &d: desa){
        cout << "Desa " << d.first << ":\n";
        for(auto &g: d.second)
            cout << g.first << ": " << g.second.first << " " << g.second.second << "\n";
    }
}
 

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8
3
3 1 150
1 2 250
3 1 300
1 3 450
2 2 200
3 4 350
1 4 500 
2 1 500