Problem F: 求恰好使s=1+1/2+1/3+…+1/n的值大于1.9时n的值

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:22 Solved:15

Description

求恰好使s=1+1/2+1/3+…+1/n的值大于1.9时n的值

Input

无输入

Output

n的值

Sample Input Copy


Sample Output Copy

4

HINT



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