num=list(map(int,input().split()))
a,b=map(int,input().split())
ans=[]
sum=0
for i in num:
    if i>=a and i<=b:
        sum+=1
        ans.append(i)
if not len(ans):
    print("-1")
else:
    ans.sort()
    for i in ans:
        print(i,end=" ")
    print('\n'+str(sum))