#include <bits/stdc++.h>
using namespace std;
#define int long long
constexpr int N = 20010, M = 10010;
constexpr int inf = 1E18, mod = 100003;
int n, m, a[37];
bool dp[N];
inline void Main() {
    cin >> m >> n;
    for (int i = 1; i <= n; i ++) {
        cin >> a[i];
    }
    dp[0] = 1;
    for (int i = 1; i <= n; i ++) {
        for (int j = m; j >= a[i]; j --) {
            dp[j] |= dp[j - a[i]]; 
        }
    }
    int ans = 0;
    for (int i = 0; i <= m; i ++) {
        if(dp[i]) {
            ans = m - i;
        }
    }
    cout << ans << '\n';
}
signed main() {    
    cin.tie(nullptr)->sync_with_stdio(false);
    int T = 1; 
    while(T --) Main();
    return 0;
}