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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define min(a, b) ((a<b) ? a : b)

typedef struct{
    char name[35];
    int occu, age;
}Cat;

int cmp(const void* a, const void* b);
int occu_alt(char* a);

int main(){

    int N, M;
    while(scanf("%d %d ", &N, &M) != EOF){
        
        Cat* cat = (Cat*)malloc(sizeof(Cat) * N);
        for(int i=0; i<N; i++){
            char occu[15] = {0};
            int age;
            scanf("%s %s %d", cat[i].name, occu, &cat[i].age);
            cat[i].occu = occu_alt(occu);
        }

        qsort(cat, N, sizeof(Cat), cmp);    // 排序貓貓
        for(int i=0; i<min(N, M); i++){
            printf("%s\n", cat[i].name);
        }

        free(cat);      // 記得free
    }
}

int cmp(const void* a, const void* b){
    Cat aa = *(Cat*)a;
    Cat bb = *(Cat*)b;
    if(aa.occu != bb.occu) return aa.occu - bb.occu;    // 職業優先序(0-7)
    if(aa.age != bb.age)    // 年齡排序(第4個職業由小到大 其他大到小)
        return (aa.occu == 4) ? (aa.age - bb.age) : (bb.age - aa.age); 
    return strcmp(aa.name, bb.name);    // 同齡比名字(a-z)
}

int occu_alt(char* a){          // 把職業字串轉成數字(0-7)
    char occus[] = "enkwamdl";
    for(int i=0; i<8; i++)
        if(a[0] == occus[i]) return i;
}