1301: 求1-n的立方和

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:24 Solved:14

Description

输入一个整数n,求1*1*1+2*2*2+3*3*3+......+n*n*n的结果

Input

整数n

Output

算式的结果

Sample Input Copy

3

Sample Output Copy

36