solveMeFirst() {
  local a=$1
  local b=$2

  
  if (( a < 1 || b > 1000 )); then
    echo "Error: inputs must be in range 1..1000" >&2
    exit 1
  fi

  # print the sum
  echo $(( a + b ))
}

# read two numbers (space- or newline-separated)
read -r a
read -r b

solveMeFirst "$a" "$b"