$$ \begin{array}{1) \text { Exercise#1: Average Value } \text { Write the algorithm and a program that inputs four integer numbers and finds their average. The program will } \text { output the numbers, their average and the difference between each number and the average. Il \text { Sample input / output: } W \begin{array}{[1] \text { Enter the four integer numbers: } 45128791 W \text { The numbers are: } 45,12,87,91 W \text { The average is: } 58.75 W \text { The differences are:-13.75, 3-46.75, 28.25,32.25 \end{array} \end{array} $$ Exercise#2: Length Write the algorithm and a C++ program that will input a length in feet and covert it to inches and centimeters. Note: 1 foot $=12$ inches. 1 inch $=2.54$ centimeters. Sample input / output: Enter length in feet: 2 Inches $=245 Centimeters $=60.96$ Enter length in feet: 1 Inches $-125 Centimeters $=30.48$ SE.SD.030