#include<iostream>#include<cstdio>using namespace std;int main(){    int n,a[1005],sum = 0;    cin >> n;    for(int i = 1;i <= n;i++)    cin >> a[i];    for(int i = 1;i <= n;i++)    {        int j,left = -1,right = -1;        for(j = i-1;j > 0;j--)        {            if(a[j] < a[i])            {                left = j;                break;            }        }        if(left == -1)    left = 0;        for(j = i+1;j <= n;j++)        {            if(a[j] < a[i])            {                right = j;                break;            }        }        if(right == -1)    right =    n+1;        sum = max(sum,(right-left-1)*a[i]);    }    cout << sum << endl;    return 0;}