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

f = B // A

t = (C + B) // A
if t > f and t > 0:
    result.append(t)
t = C // A
if t <= f and t > 0:
    result.append(t)

if len(result) != 0:
    result.sort(reverse=True)
    for r in result:
        print(r)
else:
    print("-1")