#include <bits/stdc++.h>
using namespace std;
int arr[105];
int dp[105][105], rt[105][105];

void prt(int l, int r) {
	cout << rt[l][r] << " ";

	if (l <= rt[l][r] - 1) {
		prt(l, rt[l][r] - 1);
	}

	if (rt[l][r] + 1 <= r) {
		prt(rt[l][r] + 1, r);
	}
}

int main() {
	int n;
	cin >> n;

	for (int i = 1; i <= n; i++) {
		for (int j = 1; j < i; j++) {
			dp[i][j] = 1;
		}
	}

	for (int i = 1; i <= n; i++) {
		cin >> arr[i];
		dp[i][i] = arr[i];
		rt[i][i] = i;
	}


	for (int len = 2; len <= n; len++) {
		for (int i = 1; i + len - 1 <= n; i++) {
			int j = i + len - 1;

			for (int k = i; k <= j; k++) {
				if (dp[i][j] < dp[i][k - 1]*dp[k + 1][j] + arr[k]) {
					dp[i][j] = dp[i][k - 1] * dp[k + 1][j] + arr[k];
					rt[i][j] = k;
				}
			}
		}
	}

	cout << dp[1][n] << endl;
	prt(1, n);
}