func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, temp;     cin >> n;     long long int sum = 0, sum2 = 0;     for (int i = 0; i < n; i++) {       cin >> temp;       sum += temp;     }     for (int i = 0; i < n - 1; i++) {       cin >> temp;       sum2 += temp;     }     cout << sum - sum2 << endl;     sum = 0;     for (int i = 0; i < n - 2; i++) {       cin >> temp;       sum += temp;     }     cout << sum2 - sum;     return 0;   }   