#include <bits/stdc++.h>   using namespace std;   inline int read();   int a[14250];   unsigned long long ans;   bool cmp(int a, int b) { return a < b; }   int main() {     int n = read(), k = read();     for (int i = 1; i <= n; i++) {       a[i] = read();     }     sort(a + 1, a + n + 1, cmp);     for (int i = 1; i <= k; i++) {       ans += a[i];     }     cout << ans;     return 0;   }   inline int read() {     int x = 0, w = 1;     char ch = getchar();     while (ch <  0  || ch >  9 ) {       if (ch ==  - ) w = -1;       ch = getchar();     }     while (ch >=  0  && ch <=  9 ) {       x = x * 10 + ch -  0 ;       ch = getchar();     }     return x * w;   }   