题目描述
Raccoon is fighting with a monster.
The health of the monster is H.
Raccoon can use N kinds of special moves. Using the i-th move decreases the monster's health by A_i.
There is no other way to decrease the monster's health.
Raccoon wins when the monster's health becomes 0 or below.
If Raccoon can win without using the same move twice or more, print Yes; otherwise, print No.
-----Constraints-----
- $1 \leq H \leq 10^9$
- $1 \leq N \leq 10^5$
- $1 \leq A_i \leq 10^4$
- All values in input are integers.
-----Input-----
Input is given from Standard Input in the following format:
H N
A_1 A_2 ... A_N
-----Output-----
If Raccoon can win without using the same move twice or more, print Yes; otherwise, print No.
-----Sample Input-----
10 3
4 5 6
-----Sample Output-----
Yes
The monster's health will become 0 or below after, for example, using the second and third moves.
输入格式
见题面
输出格式
见题面