Canadian Computing Competition: 2009 Stage 1, Senior #1
Eric likes interesting numbers like . It turns out that is both a square and a cube, since and . Eric calls these numbers cool. Write a program that helps Eric figure out how many integers in a given range are cool.
On the first line of input, you are given an integer such that and . On the second line of input, you are given an integer such that and .
The output should be the number of cool numbers in the range to (inclusively: that is, and would count as cool numbers in the range if they were actually cool).
Sample Input 1
Sample Output 1
Sample Input 2
Sample Output 2