#include<bits/stdc++.h>
using namespace std;
int w[100001],v[100001],dp[100001];
int main(){
    int n,m;
    cin>>m>>n;    for(int i=1;i<=n;i++){
        cin>>w[i];
    }
    for(int i=1;i<=n;i++){
        for(int j=m;j>=w[i];j--){
            dp[j]=max(dp[j],dp[j-w[i]]+w[i]);
        }
    }
    cout<<m-dp[m];
    return 0;
}

/*****************
备注：
*****************/
#include <iostream>
#include <iomanip>
#include <cmath>
#include <cstring>
#include <algorithm>
#include <cstdio>
using namespace std;
#define LL long long
#define MAXM 3010
#define MAXN 3010
const int N =1e5+10;
const int INF =0x3f3f3f3f;
int maxx = -INF,n,minn = INF,v;
int a[N];
void dfs(int step,int sum)
{
	if (sum <= v) maxx = max(maxx,sum);
	if (sum > v or step > n) return;
	dfs(step+1,sum+a[step]);
	dfs(step+1,sum);
}
int main(){
	cin >> v >> n;
	for (int i = 1;i<=n;i++)
	{
		cin >> a[i];
	}
	dfs(1,0);
	cout << v - maxx;
	return 0;
}

#include<bits/stdc++.h> using namespace std; int q,a[100001],b[100001]; int main(){ int w; cin>>w>>q; int i, j; for (i = 0; i < q; i++){ cin>>a[i]; } for (i = 0; i < q; i++){ for (j = w; j >= a[i]; j--) b[j] = max(b[j], b[j - a[i]] + a[i]); } cout<<w - b[w]; return 0; }

#include <iostream>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <string>
#include <iomanip>
#include <queue>
#include <stack>
#include <list>
#include <map>
#include <vector>
#include <fstream>
using namespace std;
const int N = 1e5+10;
const int INF = 0x3f3f3f3f;
int maxx = -INF,n,minn = INF,v;
int a[N];
void dfs(int step,int sum){
	if (sum <= v) maxx = max(maxx,sum);
	if (sum > v or step > n) return;
	dfs(step+1,sum+a[step]);
	dfs(step+1,sum);
}
int main(){
	cin >> v >> n;
	for (int i = 1;i<=n;i++){
		cin >> a[i];
	}
	dfs(1,0);
	cout << v - maxx;
	return 0;
}