#include #define _overload(_1,_2,_3,name,...) name #define _rep(i,n) _range(i,0,n) #define _range(i,a,b) for(int i=int(a);i=int(b);--i) #define rrep(...) _overload(__VA_ARGS__,_rrange,_rrep,)(__VA_ARGS__) #define _all(arg) begin(arg),end(arg) #define uniq(arg) sort(_all(arg)),(arg).erase(unique(_all(arg)),end(arg)) #define getidx(ary,key) lower_bound(_all(ary),key)-begin(ary) #define clr(a,b) memset((a),(b),sizeof(a)) #define bit(n) (1LL<<(n)) #define popcount(n) (__builtin_popcountll(n)) using namespace std; templatebool chmax(T &a, const T &b) { return (abool chmin(T &a, const T &b) { return (bEPS=1e-8 [-10000,10000]->EPS=1e-7 inline int sgn(const R& r){return(r > EPS)-(r < -EPS);} inline R sq(R x){return sqrt(max(x,0.0));} const int dx[8]={1,0,-1,0,1,-1,-1,1}; const int dy[8]={0,1,0,-1,1,1,-1,-1}; // Problem Specific Parameter: using i2=tuple; using i3=tuple; int n,k; const int limit=100000; int num[limit]; vector score[11]; int s[100010],p[100010],u[100010]; int main(void){ cin >> n >> k; rep(i,n) cin >> s[i] >> p[i] >> u[i],u[i]--; rep(i,n) score[s[i]].push_back(i2(p[i],i)); vector ans; rrep(i,11){ vector cur; for(auto &it:score[i]){ int id; tie(ignore,id)=it; cur.push_back(i3(num[u[id]],p[id],id)); num[u[id]]++; } sort(_all(cur)); for(auto &it:cur) ans.push_back(get<2>(it)); } rep(i,k) cout << ans[i] << endl; return 0; }