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

int main(void) {
    int n, s[10004], a, b;

    freopen("in.txt", "r", stdin);
    for (int te = 1; cin >> n && n; te++) {
        for (int i = 0; i < n; i++) {
            cin >> a >> b;

            s[i] = a - b;
        }

        int aux = 0, aux2 = 0;
        pair<int, int> ans = { 1, 1 };

        for (int i = 0; i < n; i++) {
            int x = aux + s[i];
            if (x > s[i]) {
                ans.second++;
                aux = x;
            }
            else {
                ans.first = i + 1, ans.second = i + 1;
                aux = s[i];
            }
            aux2 = max(aux2, aux);
        }
        cout << aux2 << "\n";
        cout << "Teste " << te << "\n";

        if (aux2 > 0)
            cout << ans.first << " " << ans.second << "\n\n";
        else
            cout << "nenhum\n\n";

    }

    return 0;
}