5466: 求和

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:27 Solved:23

Description

求1x2+2 x3+3 x 4+4 x 5+...+100x101 的和是多少?

Input

Output

一行,为此题目的答案:343400

Sample Input Copy

Sample Output Copy

343400