#include <iostream>
#include <cstdio>
using namespace std;
int v,n,ans=0;
int w[100]={0};
int f[100][20001]={0};
int main()
{
	freopen ("npack.in","r",stdin);
	freopen ("npack.out","w",stdout);
	cin>>v>>n;
	for(int i=1;i<=n;i++)
		cin>>w[i];
	ans=v;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=v;j++)
		{
			f[i][j]=f[i-1][j];
			if(j>=w[i])
			{
				f[i][j]=max(f[i-1][j],f[i-1][j-w[i]]+w[i]);
				if(v-f[i][j]==0)
				{
					cout<<'0'<<endl;
					return 0;
				}
				if(v-f[i][j]<ans)
					ans=v-f[i][j];
			}
			//cout<<f[i][j]<<' ';
		}
		//cout<<endl;
	}
	cout<<ans;
	return 0;
}