Problem E: 【基础】求2的n次方

Memory Limit:64 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:9 Solved:0

Description

求2的n次方!(0<=n<=100)

Input

从键盘读入一个整数n!

Output

请输出2的n次方!

Sample Input Copy

100

Sample Output Copy

1267650600228229401496703205376