import sys
from math import sqrt, pi, sin
inp = lambda : sys.stdin.readline()[:-1]
mii = lambda x = " ": [*map(int,input().split(x))]
mfi = lambda x = " ": [*map(float,input().split(x))]
ii = lambda : int(input())
l = mii()
idx = []
for i in range(10):
if l[i] > 0:
idx.append(i)
if (l[idx[1]] - l[idx[0]]) % (idx[1] - idx[0]) != 0:
print(-1)
sys.exit()
z = (l[idx[1]] - l[idx[0]]) // (idx[1] - idx[0])
s = l[idx[0]] - z * idx[0]
for i in range(10):
print(s + i * z, end = " ")