hello tutors, can i get the input and output screenshots of this c# programming .appreciate your help

7.2 Develop a program which will nd the sub-matrix of size of 2 by 2 with maximum sum of its elements from a two- dimensional rectangular (example: 4 rows and 6 columns) array (matrix) of integers, and print it to the console. Exercise 5.1 Write a program that raises the number n to a power of m.Exercise 6.1 Write a program to find and print all four-digit numbers of the type ABCD, where: A+B = C+D. Hint: . Implement it with four for-loops. one for each digit. . The outermost loop will define the thousands. It will start from 1 and the rest of the loops - from 0. They will determine the hundreds, the tens and the units. 5