Splitting into factors#2706

Splitting into factors

1 second
64 megabytes
Easy

Given a natural number . It is required to output all partitions of into natural divisors not less than and greater than .

Input

Two numbers and are given (2 \leq M \leq N \leq 1000).

Output

Output all partitions into factors in lexicographic order. Partitions should be compared as sequences of numbers, not as strings. Within a partition, the factors should be listed in non-decreasing order.

Examples

Example 1

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Example 2

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