Find Factorial
Problem
Given an integer N, You have to calculate the factorial of that number.
Constraint:
- 1<= N <= 200
NOTE: Factorial of 100 has 158 digits. It is not possible to store these many digits even if we use long long int.
Input:
First line contain an integer N.
Output:
Print the factorial of N.
Time Limit: 1
Memory Limit: 256
Source Limit:
