Evenly_Divisible.zsh

#!/usr/bin/env zsh

# contents of file in an array, read from file as argv[1]
sums=($(<${1}))

# get the number of pairs
for n in {1..${#sums}..2}; do
  first=${sums[${n}]}
  second=${sums[$(( ${n} + 1 ))]}

  # array to store correct results
  valid=()

  # do math
  for i in {1..${second}}; do

    modulus=$(( ${i} % ${first} ))
    if [[ ${modulus} == 0 ]]; then
      valid+=${i}
    fi
  done

  # print results and a seperation newline
  print -l ${valid}
  print
done