import sys

repo: list[int] = []
damnnumbers: list[int] = []

while True:
    try:
        repo = list(map(int, input().split()))
    except EOFError:
        break

if len(repo) == 1:
    print(*repo)
    sys.exit(0)

if repo:
    for i in range(len(repo)):
        if i == len(repo) - 1:
            damnnumbers.append(repo[i - 1] + repo[0])
            break
        damnnumbers.append(
            repo[i + 1] + repo[i - 1] if not i == 0 else repo[i + 1] + repo[-1]
        )

print(" ".join(str(n) for n in damnnumbers))