Ruby_Exercise12

p "Enter the string"
line = gets.chomp
arr = line.split(//)

lower = 0
upper = 0
num   = 0
other = -1
for i in 0..arr.size
  case arr[i]
    when 'a'..'z'
      lower += 1
    when 'A'..'Z'
      upper += 1
    when '0'..'9'
      num += 1
    else
      other += 1
    end
end

puts "Lowecase- #{lower} \nUppercase- #{upper} \nDigits- #{num} \nOther- #{other}"