def kaprekarNumbers(p, q):
    # Write your code here
    li=[]
    for i in range(p , q+1):
        if(i ==1): 
            li.append(i)
                
        elif(i == 2 or i==3 ):
            continue

        elif(i>3):
            num= i*i
            digitsize = len(str(i))
            strnum=str(num)
            leftsize =  len(strnum)-digitsize
            left = int(strnum[:leftsize])
            right= int(strnum[leftsize:])
            add = left + right
            if( add == i ):
                li.append(i)
                                     
    if(len(li) >0):
        for i in range(0,len(li)):
            print(li[i] ,end=" ")
    else:
        print("INVALID RANGE")