A, B, C = map(int, input().split())
count = []

for N in range(B + C):
    num = N
    num *= A 
    if num > B:
    	num -= B
    if num == C:
        count.append(N)

if len(count) != 0:
    count.sort()
    for s in couunt:
        print(s)
else:
    print("-1")