시간 제한메모리 제한제출정답맞힌 사람정답 비율
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## 문제

You have been asked by a parental unit to do your chores.

Each chore takes a certain amount of time, but you may not have enough time to do all of your chores, since you can only complete one chore at a time. You can do the chores in any order that you wish.

What is the largest amount of chores you can complete in the given amount of time?

## 입력

The first line of input consists of an integer T (0 ≤ T ≤ 100000), which is the total number of minutes you have available to complete your chores.

The second line of input consists of an integer C (0 ≤ C ≤ 100), which is the total number of chores that you may choose from. The next C lines contain the (positive integer) number of minutes required to do each of these chores. You can assume that each chore will take at most 100000 minutes.

## 출력

The output will be the maximum number of chores that can be completed in time T

## 예제 입력 1

6
3
3
6
3


## 예제 출력 1

2


## 힌트

Chores must be completed in at most 6 minutes. There are 3 chores available. The first chore takes 3 minutes. The second chore takes 6 minutes. The third chore takes 3 minutes. The answer is 2 since only 2 of these chores can be completed in 6 minutes of time. Specifically, the first and last chore can be completed in the allowable time. It is not possible to complete all 3 chores in 6 minutes.