A, B, C = map(int, input().split())
ans = []
N = 1
while True:
    AN = A * N
    if (AN > B and AN - B == C) or (AN <= B and AN == C):
        ans.append(N)
    if AN - B > C:
        break
    N += 1
if not len(ans):
    print(-1)
else:
    for e in ans:
        print(e)