#include <bits/stdc++.h> using namespace std; #define endl "\n" #define int long long #define pii pair<int, int> #define ff first #define ss second #define entire(x) (x).begin(), (x).end() int32_t main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n, k; cin >> n >> k; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; cout << accumulate(entire(a), 0ll) << endl; return 0; }