while s = gets
    s = s.chomp
    if s =~ /^digi /
        s.downcase!
        if s =~ /^digi .*nyo[^a-zA-Z0-9]{0,3}$/
            puts "CORRECT (maybe)"
        else
            puts "WRONG!"
        end
    elsif s =~ /^petit /
        s.downcase!
        if s =~ /^petit .*nyu[^a-zA-Z0-9]{0,3}$/
            puts "CORRECT (maybe)"
        else
            puts "WRONG!"
        end
    elsif s =~ /^rabi /
        s.downcase!
        if s =~ /^rabi .*[a-zA-Z0-9].*$/
            puts "CORRECT (maybe)"
        else
            puts "WRONG!"
        end
    elsif s =~ /^gema /
        s.downcase!
        if s =~ /^gema .*gema[^a-zA-Z0-9]{0,3}$/
            puts "CORRECT (maybe)"
        else
            puts "WRONG!"
        end
    elsif s =~ /^piyo /
        s.downcase!
        if s =~ /^piyo .*pyo[^a-zA-Z0-9]{0,3}$/
            puts "CORRECT (maybe)"
        else
            puts "WRONG!"
        end
    else
        puts "WRONG!"
    end
end