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

ans=[]

for i in range(1,10**6):
    if i * a - b > 0:
        if i * a - b == c:
            ans.append(i)
        else:
            break

    else:
        if i * a == c:
            ans.append(i)
            i += 1
        else:
            break

if ans ==[]:
    print('-1')
else:
    for i in ans:
        print(i)