#include<cstdio>
int n,a[50050],i;
int main()
{
	scanf("%d",&n);
	for(i=1;i<=n;i++)scanf("%d",&a[i]);
	for(i=1;i<=n;i++)if(a[i]>=a[i+1]&&a[i]>=a[i-1])printf("%d\n",i);
	return 0;
}