Gorbatchevski

def translate_into_pig_latin(word)
  if word[0] == "a"|| word[0]== "e" || word[0] == "i"|| word[0] == "u" || word[0] == "o"
    word+"ay"
  elsif (word[0] != "a"|| word[0] != "e" || word[0] != "i"|| word[0] != "u") && (word[1] == "a" || word[1] == "o" || word[1] == "e" || word [1] == "i" || word[1] == "u") && word[0..1] != "qu"
    word[1..-1]+word[0]+"ay"
  elsif (word[0] != "a"|| word[0] != "e" || word[0] != "i"|| word[0] != "u") && (word[1] != "a" || word[1] != "o" || word[1] != "e" || word [1] != "i" || word[1] != "u")
    word[2..-1]+word[0..1]+"ay"
  elsif word[0..1]="qu"
    word[2..-1]+"quay"
  else    

Gorbatchevski

def leap_year?(year)
  if year % 4 == 0 && year%100 > 0
    true
  elsif year%400 == 0
    true      
  else
    false
  end
end