#include <bits/stdc++.h>
using namespace std;

/*<DEBUG>*/
#define tem template <typename 
#define can_shift(_X_, ...) enable_if_t<sizeof test<_X_>(0) __VA_ARGS__ 8, debug&> operator<<(T i)
#define _op debug& operator<<
tem C > auto test(C *x) -> decltype(cerr << *x, 0LL);
tem C > char test(...);
tem C > struct itr{C begin, end; };
tem C > itr<C> get_range(C b, C e) { return itr<C>{b, e}; }
struct debug{
#ifdef _LOCAL
	~debug(){ cerr << endl; }
	tem T > can_shift(T, ==){ cerr << boolalpha << i; return *this; }
	tem T> can_shift(T, !=){ return *this << get_range(begin(i), end(i)); }
	tem T, typename U > _op (pair<T, U> i){ 
		return *this << "< " << i.first << " , " << i.second << " >"; }
	tem T> _op (itr<T> i){
		*this <<  "{ ";
		for(auto it = i.begin; it != i.end; it++){
			*this << " , " + (it==i.begin?2:0) << *it;
		}
		return *this << " }";
	}
#else
tem T> _op (const T&) { return *this; }
#endif 
};

string _ARR_(int* arr, int sz){
	string ret = "{ " + to_string(arr[0]); 
	for(int i = 1; i < sz; i++) ret += " , " +  to_string(arr[i]);
	ret += " }"; return ret;
}

#define exp(...) " [ " << #__VA_ARGS__ << " : " << (__VA_ARGS__) << " ]"
/*</DEBUG>*/

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<int, int> pii;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

#define pb push_back
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define TC int __TC__; cin >> __TC__; while(__TC__--)
#define ar array

const int INF = 1e9 + 7, N = 500;

int a[N];
vector<ar<int,3>> p;

int main(void){
	FAST;
	int n; cin >> n;
	for(int i = 0; i < n; ++i) cin >> a[i];
	for(int i = 0; i < n; ++i){
		for(int j = i+1; j < n; ++j){
			p.pb({abs(a[i]-a[j]), i, j});
		}
	}
	sort(p.rbegin(), p.rend());
	for(auto x : p){
		string s;
		if(a[x[1]] < a[x[2]]) swap(x[1], x[2]);
		// a[x[1]] > a[x[2]]
		cout << "? " << x[1]+1 << ' ' << x[2]+1 << endl;	
		cin >> s;
		if(s == "Yes"){
			cout << "! " << x[1] + 1 << ' ' << x[2] + 1 << endl;
			return 0;
		}
	}
	cout << "! 0 0" << endl;

	return 0;
}
