a, b, c = map(int, input().split())

ans = []
for i in range(200001):
    if a * i <= b:
        if a * i == c:
            ans.append(i)

    else:
        if a * i - b == c:
            ans.append(i)

if len(ans) == 0:
    print(-1)
else:
    for p in ans:
        print(p)