#include<bits/stdc++.h>
#define Gc() getchar() 
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__int128;
const int N=1e5+5,M=N*4,K=600+5,mod=998244353,Mod=mod-1;const db eps=1e-6;const ll INF=1e18+7;mt19937 rnd(263082);
int n,k=1e5;
int merge(int x,int y,int w){
	if(x==-1) return y;if(y==-1) return x;
	cout<<"? "<<x<<' '<<y<<' '<<w<<endl;fflush(stdout);
	string s;cin>>s;
	return s=="FIRST"?x:y;
}
namespace Tree{
	#define ls v<<1
	#define rs v<<1|1
	int id[M];
	void BD(){Me(id,-1);}
	void Add(int x,int l=1,int r=k,int v=1){
		if(l==r) {id[v]=merge(id[v],x,l);return;}int m=l+r>>1;
		if(merge(x,id[v],m)==x) swap(x,id[v]);
		merge(x,id[v],l)^x?Add(x,m+1,r,rs):Add(x,l,m,ls);
	}
	int qry(int x,int l=1,int r=k,int v=1){
		if(l==r) return id[v];int m=l+r>>1;
		return merge(id[v],x<=m?qry(x,l,m,ls):qry(x,m+1,r,rs),x);
	}
}
void Solve(){
	int i,j;cin>>n;Tree::BD();
	for(i=0;i<n;i++) Tree::Add(i);
	cout<<"!"<<endl;
	while(1){
		string s;cin>>s;
		if(s=="FINISH") break;
		int x;cin>>x;
		int p=Tree::qry(x);
		cout<<"! "<<p<<endl;
	}
}
int main(){
	int t=1;
	// scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}