#include <iostream>
#include <list>

using namespace std;

struct Person{
    Person(int i, int c) {
      id = i;
      count = c;
    }
    int id;
    int count;
};

list <Person> people;
typedef list<Person>::iterator  peopIt;

void Fix(peopIt &  j) {
    if (j == people.end()) {
       j  = people.begin();
    }
}

int main() {
    int  i, count;
    cin >> count;

    peopIt j;
   
    for(i=0;i<count;i++) {
        int length;
	cin >> length;
	people.push_back(Person(i+1,length));
    }

    j = people.begin();
    
    while (people.size() > 1) {
        count = j->count % people.size();
	if (count == 0) {
	   count = people.size();
	}
	for(i=1;i<count;i++) {
	    j++;
	    Fix(j);
	}
	j = people.erase(j);
	Fix(j);
    }

    cout << j->id << endl;

    return 0;
}