Write a C program that will ask the user to enter 50 positive integer. If the user enters an invalid input, the code repeats the command of asking the user for a positive integer until the input is...

Write a C program that will ask the user to enter 50 positive integer. If the user enters an invalid input, the code repeats the command of asking the user for a positive integer until the input is correct. The 50 +ve integers must be stored in a two(2) dimensional array. The program prints out the sum of all even numbers stored form the array.