# вариант решения 1
# a = input().split()
# len_a = len(a) - 1
# for index, number in enumerate(a):
#    if len_a == 0:
#       print (number)
#    else:
#       if index == 0:
#          S = int(a[-1]) + int(a[1])
#          b = str(S)
#       elif index != 0 and index != int(len_a) :
#          n_index_0 = int(int(a.index(number)) + 1)
#          n_index_2 = int(int(a.index(number)) - 1)
#          n_0 = a[n_index_0]
#          N_2 = a[n_index_2]
#          S1 = int(n_0) + int(N_2)
#          b += " " + str(S1)
#       elif index == int(len_a):
#          S2 = int(a[0]) + int(a[-2])
#          b += " " + str(S2)
#          print (b)
 

# вариант решения 2 -короче
# initial_list = input().split()
# sum_list = []
# left_index = -1
# right_index = -len(initial_list) + 1
# middle_index = 0
# while middle_index < len(initial_list):
#     sum_list.append(initial_list[left_index] + initial_list[right_index])
#     left_index += 1
#     right_index += 1
#     middle_index += 1
# print(sum_list)
      
# вариант решения 3
a = [int(item) for item in input().split()]
a2 = []
for i in range(len(a)):
    if len(a) == 1:
        print(a[0])
        break
    else:
        if i == 0:
            a2.append(a[-1] + a[i + 1])
        elif i > 0  and i != len(a) - 1:
            a2.append(a[i - 1] + a[i + 1])
        else:
            a2.append(a[i - 1] + a[0])
if a2 != 0:
    for i in a2:
        print(i, end=' ')