C$++$ only.

$-$Do NOT use Python$/$C$/$Java$/$Javascript$/$etc$.$ or there will be a thumbs down.

$-$Do NOT use vectors. Use array$($s$)$ and getchar$()$; if needed.

$-$Use predefined atoi$()$ function.

$-$Assume scores are from $10-100,$ and at most there will be $10$ scores in the input.

$-$Make sure that the output will be exactly the same as in the $2$nd image or there will be a thumbs down. Thank you.

$-$Write a program that reads the input string, calculates the total

score and average, and outputs them.