write a c program that takes integers as input from the user and perform the following operations using expressions. the progr should then print the results of each operation

$1.$sum of the three integers

$2.$average of the three integers we a float

$3$

the largest of the three integere using conditional expressioms

$4.$check if sum of the three integers is even or using a conditional expression

$5.$ check if all three integers are positive using logical operator

sample input

enter the first nimber:$10$

enter second integer :$3$

enter third integer:$7$

output

sum :$20$

average: $6\mathrm{.}67$