#include<cstdio>
#include<iostream>
using namespace std;
int save[2][50001];

int main()
{
	freopen("hay4sale.in","r",stdin);
	freopen("hay4sale.out","w",stdout);
	
	int c,h,v;
	cin>>c>>h;
	
	int i,j;
	bool num=0;
	
	save[0][0]=1;
	save[1][0]=1;
	
	for(i=0;i<h;i++)
	{
		cin>>v;
		for(j=c-1;j>=0;j--)
		{
			if(save[num][j]==1)
			{
				save[!num][j]=1;
				if(j+v<=c)
					save[!num][j+v]=1;
			}
		}
		num=!num;
	}
	for(i=c;i>=0;i--)
		if(save[num][i]==1)
		{
			cout<<i<<endl;
			break;
		}
	
	return 0;
}