Scanner scnr $=$ new Scanner$($System$.$in$)$;

int numKidsA;

int numKidsB;

int numKidsC;

int numFamilies;

double avgKids;

numKidsA $=$ scnr$.$nextInt$()$;

numKidsB $=$ scnr$.$nextInt$()$;

numKidsC $=$ scnr$.$nextInt$()$;

numFamilies $=$ scnr$.$nextInt$()$;

$/*$ Your solution goes here $*/$

System.out.println$($avgKids$)$;

$\}$

$\}$