#include <bits/stdc++.h>   using namespace std;   int gcd(int f, int s) {     if (s == 0)       return f;     else       return gcd(s, f % s);   }   int const N = 1000006;   long long const M = 1020;   long double const ep = .000000000000000001;   long long arr[N], arr1[N];   int main() {     int n, m;     scanf( %d , &n);     long long sum = 0, sum1 = 0;     for (int i = 0; i < n; i++) {       scanf( %lld , arr + i);       sum += arr[i];     }     scanf( %d , &m);     for (int i = 0; i < m; i++) {       scanf( %lld , arr1 + i);       sum1 += arr1[i];     }     if (sum == sum1) {       printf( 0 n0 );       return 0;     }     long long best = abs(sum - sum1);     int ind = -1, ind1 = -1;     for (int i = 0; i < n; i++) {       long long temp = sum, temp1 = sum1;       for (int x = 0; x < m; x++) {         temp -= arr[i];         temp += arr1[x];         temp1 -= arr1[x];         temp1 += arr[i];         if (abs(temp - temp1) < best) {           ind = i + 1, ind1 = x + 1;           best = abs(temp - temp1);         }         temp = sum, temp1 = sum1;       }     }     int indd = -1, indd1 = -1, indd2 = -1, indd21 = -1;     vector<pair<long long, pair<int, int> > > v, v1;     for (int i = 0; i < n; i++)       for (int x = i + 1; x < n; x++)         v.push_back(make_pair(arr[i] + arr[x], make_pair(i, x)));     for (int i = 0; i < m; i++)       for (int x = i + 1; x < m; x++)         v1.push_back(make_pair(arr1[i] + arr1[x], make_pair(i, x)));     sort(v1.begin(), v1.end());     long long want = (sum - sum1) / 2;     long long test = 1e17;     long long num = -1;     for (int i = 0; i < v.size(); i++) {       int left = 0, right = v1.size() - 1, mid;       while (left <= right) {         mid = (left + right) / 2;         long long curr = v[i].first - v1[mid].first;         if (test > abs(curr - want)) {           test = abs(curr - want);           num = curr;           indd = v[i].second.first + 1, indd1 = v[i].second.second + 1;           indd2 = v1[mid].second.first + 1, indd21 = v1[mid].second.second + 1;         }         if (curr > want)           left = mid + 1;         else           right = mid - 1;       }     }     long long s = sum, s1 = sum1;     s -= num;     s1 += num;     if (ind == -1 && indd == -1) {       printf( %lld n0 , best);       return 0;     }     if (best > abs(s - s1)) {       printf( %lld n , abs(s - s1));       printf( 2 n%d %d n%d %d , indd, indd2, indd1, indd21);     } else {       printf( %lld n , best);       printf( 1 n%d %d , ind, ind1);     }     return 0;   }   