require 'prime'

# # https://yukicoder.me/submissions/174004
# @dp={}
# def guchoku216(aa,turn=true)
#     return !turn if aa.size == 0
    
#     aa.sort!
#     return @dp[aa+[turn]] if @dp[aa+[turn]]
    
#     aa.each_index{|i|
#         ac = aa.clone
#         ac[i]-=1
#         while ac[i] > 0
#             return @dp[aa+[turn]] = turn if (guchoku216(ac.clone,!turn) == turn)
#             ac[i]-=1
#         end
#         ac.delete(0)
#         return @dp[aa+[turn]] = turn if (guchoku216(ac.clone,!turn) == turn)
#     }
#     return @dp[aa+[turn]] = !turn
# end

# def game(n)
#     guchoku216(n.prime_division.map{|e|e[1]})
# end

n = gets.to_i
guchoku216(gets.split.map(&:to_i).map{|e| e.prime_division.map{|e|e[1]}}.flatten!)