if possible just wanted throughly explained from point A-Z as far as problem solving the program.

20 points possible Reset to Starter Code 1. Sum and Average of Three Integers saved Write a program to calculate and display the sum and average of three integers. Note that the sum should be an integer value and the average should be a real value. When printing the average, print exactly four digits after the decimal point. The following are two sample runs: Enter three integer values: 20 20 30 sum (integer): 70 average (real value): 23.3333 10 20 30 Enter three integer values: sum (integer): 60 average (real value): 20.0000