## Factorial Division

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Points: 3 (partial)
Time limit: 2.0s
Memory limit: 64M

Author:
Problem type

Given two integers and , output .

Note that the notation represents the product of all integers .

#### Input Specification

The first line will contain a single integer . is guaranteed to be greater than or equal to and less than or equal to .

The next line will contain a single integer . is guaranteed to be greater than or equal to and less than or equal to .

#### Output Specification

Output a single integer, the value of .

#### Sample Input 1

5
2

#### Sample Output 1

60

#### Sample Input 2

1
1

#### Sample Output 2

1