hackerrank.py

# # t = input()
# # for _ in xrange(t):
# #     x = input()
# #     n = input()
# #     arr = map(int, raw_input().strip().split())
# #     if canPair(arr, x):
# #         print "Yes"
# #     else:
# #         print "No"


# def canPair(array, X):
#     index_arr = []
#     output_array = []
#     for i in xrange(len(array)):
#         for j in xrange(i + 1, len(array)):
#             if i in index_arr and j in index_arr:
#                 i += 2
#                 j += 2
#             elif i in index_arr:
#                 i += 1
#             elif j in index_arr:
#                 j += 1
#             else:
#                 if (array[i] + array[j]) % X == 0:
#                     index_arr.append(i)
#                     index_arr.append(j)
#                     output_array.append((array[i],array[j]))
#                 else:
#                     continue
#
#     print index_arr
#     print output_array
#     if len(index_arr) == (len(array)):
#         return True
#     else:
#         return False



print canPair(array=[6,4,8,12],X = 2)