101531: [AtCoder]ABC153 B - Common Raccoon vs Monster
Memory Limit:256 MB
Time Limit:2 S
Judge Style:Text Compare
Creator:
Submit:11
Solved:0
Description
Score : $200$ points
Problem Statement
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 1
10 3 4 5 6
Sample Output 1
Yes
The monster's health will become $0$ or below after, for example, using the second and third moves.
Sample Input 2
20 3 4 5 6
Sample Output 2
No
Sample Input 3
210 5 31 41 59 26 53
Sample Output 3
Yes
Sample Input 4
211 5 31 41 59 26 53
Sample Output 4
No