number = 1
comment = case number % 3
when 0 then "3の倍数です。"
when 1 then "3で割ると1余ります。"
when 2 then "3で割ると2余ります。"
end
puts "#{number}は#{comment}"
bnVtYmVyID0gMQoKY29tbWVudCA9CWNhc2UgbnVtYmVyICUgMwoJCQl3aGVuIDAgdGhlbiAiM+OBruWAjeaVsOOBp+OBmeOAgiIKCQkJd2hlbiAxIHRoZW4gIjPjgaflibLjgovjgagx5L2Z44KK44G+44GZ44CCIgoJCQl3aGVuIDIgdGhlbiAiM+OBp+WJsuOCi+OBqDLkvZnjgorjgb7jgZnjgIIiCgkJCWVuZAoKcHV0cyAiI3tudW1iZXJ944GvI3tjb21tZW50fSI=