def Main():
    a,b,c=map(int,input().split())
    ans=[]
    if c<=b:
        ans.append(c)
    ans.append(c+b)
    ans2=[]
    for x in ans:
        if x%a==0:
            ans2.append(x//a)
    if len(ans2)==0:
        print(-1)
        return
    ans2.sort()
    for x in ans2:
        print(x)

    
    

    
Main()