1935: 累加超过1000

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:177 Solved:140

Description

求s=1+2+3+...+n,当加到第几项时,s的值会超过1000?

Input

Output

累加到第n项时,综合超过1000

Sample Input Copy


Sample Output Copy

45