#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	int want[n],start,now,max=0,same=0,count=1,maxstart=0;
	for (int i=0;i<n;i++){
		cin>>want[i];
	}
	for (start=0;start<n;start++){
		for (now=start;;){
			if (count==want[now]){
				same++;
			}
			if (now==n-1){
				now=0;
			}else{
				now++;
			}
			if (now==start){
				break;
			}
			count++;
		}
		if (same>max){
			max=same;
			maxstart=start+1;
		}
		same=0;
		count=1;
	}
	cout<<maxstart<<endl;
	return 0;
}
