package contest201002; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class F { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), K = ni(); int[] a = na(n); long[][][][] dp = new long[K+1][2][n][n]; long I = Long.MIN_VALUE / 2; for(int i = 0;i <= K;i++){ for(int j = 0;j < n;j++){ Arrays.fill(dp[i][0][j], I); Arrays.fill(dp[i][1][j], I); } } for(int i = 0;i < n;i++){ dp[K][0][i][i] = dp[K][1][i][i] = K*a[i]; } long[][] maxs = new long[n][n]; for(int i = 0;i < n;i++){ Arrays.fill(maxs[i], I); } for(int k = K;k >= 0;k--){ for(int len = 1;len <= K-k+1;len++){ for(int i = 0;i+len-1 < n;i++){ int j = i+len-1; if(i < j){ int nj = Math.min(i+k, j); if(((nj-i)&1) != (k&1))nj--; maxs[i+(k&1)][nj] = Math.max(maxs[i+(k&1)][nj], dp[k][0][i][j]); } if(i < j){ int ni = Math.max(j-k, i); if(((j-ni)&1) != (k&1)) { ni++; } maxs[ni][j-(k&1)] = Math.max(maxs[ni][j-(k&1)], dp[k][1][i][j]); } if(k-2 >= 0 && i < j){ dp[k-2][0][i][j] = Math.max(dp[k-2][0][i][j], dp[k][0][i][j]); dp[k-2][1][i][j] = Math.max(dp[k-2][1][i][j], dp[k][1][i][j]); } { int nk = k-1; if(nk >= 0 && i-1 >= 0){ dp[nk][0][i-1][j] = Math.max(dp[nk][0][i-1][j], dp[k][0][i][j] + nk*a[i-1]); } } { int nk = k-1; if(nk >= 0 && j+1 < n){ dp[nk][1][i][j+1] = Math.max(dp[nk][1][i][j+1], dp[k][1][i][j] + nk*a[j+1]); } } { int nk = k-(j-i)-1; if(nk >= 0 && j+1 < n){ dp[nk][1][i][j+1] = Math.max(dp[nk][1][i][j+1], dp[k][0][i][j] + nk*a[j+1]); } } { int nk = k-(j-i)-1; if(nk >= 0 && i-1 >= 0){ dp[nk][0][i-1][j] = Math.max(dp[nk][0][i-1][j], dp[k][1][i][j] + nk*a[i-1]); } } } } } for(int i = 0;i < n;i++){ long ans = I; for(int j = i;j >= 0;j-=2){ for(int k = i;k < n;k+=2){ ans = Math.max(ans, maxs[j][k]); } } out.println(ans); } } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new F().run(); } private byte[] inbuf = new byte[1024]; public int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }