#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; int num[1010]; int ask(int v) { static int step=0; step++; assert(step<30); cout<<10000<<" "<>v; return v; } void dfs(int L,int R) { int i; if(num[L]==num[R]) { for(i=L+1;i>N; num[0]=0; num[N]=ask(N); dfs(0,N); int sum=0; FOR(i,N) sum+=5-num[i]; cout<<"0 1"<