A and B and Compilation Errors

Description:

Input:

The first line of the input contains integer n (3 ≤ n ≤ 10⁵) — the initial number of compilation errors.

The second line contains n space-separated integers a₁, a₂, ..., a_n (1 ≤ a_i ≤ 10⁹) — the errors the compiler displayed for the first time.

The third line contains n - 1 space-separated integers b₁, b₂, ..., b_n - 1 — the errors displayed at the second compilation. It is guaranteed that the sequence in the third line contains all numbers of the second string except for exactly one.

The fourth line contains n - 2 space-separated integers с₁, с₂, ..., с_n - 2 — the errors displayed at the third compilation. It is guaranteed that the sequence in the fourth line contains all numbers of the third line except for exactly one.

Output:

Print two numbers on a single line: the numbers of the compilation errors that disappeared after B made the first and the second correction, respectively.

Sample Input:

5
1 5 8 123 7
123 7 5 1
5 1 7

Sample Output:

8
123

Sample Input:

6
1 4 3 3 5 7
3 7 5 4 3
4 3 7 5

Sample Output:

1
3

Note:

In the first test sample B first corrects the error number 8, then the error number 123.

In the second test sample B first corrects the error number 1, then the error number 3. Note that if there are multiple errors with the same number, B can correct only one of them in one step.