#!/usr/local/bin/tcc -run
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main(void){
    // 自分の得意な言語で
    // Let's チャレンジ！！
    int numOfCandidates;
    int numOfPeople;
    int numOfTalks;
    char* tmp;
    char str[1000];
    int i,j;
    int whoTalks;
    int candidateSupporters[150] = {0};//配列番号０は誰も支持していない人
    int bestCandidatesList[150] = {0}; 
    int maxOfCandidateSupporters = 0;
    int XthBestCandidates = 1;

    fgets(str, sizeof(str), stdin);
    
    tmp = strtok(str," ");
    numOfCandidates= atoi(tmp);
    tmp = strtok(NULL," ");
    numOfPeople= atoi(tmp);
    tmp = strtok(NULL," ");
    numOfTalks= atoi(tmp);
    
    candidateSupporters[0] = numOfPeople;//最初は全員支持なし
    
    for(i = 0; i < numOfTalks; i++){
        scanf("%d", &whoTalks);
        //printf("%d talked!\n", whoTalks);
        for(j = 0; j <= numOfCandidates; j++){
            if((candidateSupporters[j] != 0) && (j != whoTalks)){
                candidateSupporters[whoTalks]++;
                //printf("Candidate%d's supporters are %d\n",whoTalks, candidateSupporters[whoTalks]);
                candidateSupporters[j]--;
                //printf("Candidate%d lost supporters to %d\n", j, candidateSupporters[j]);
            }
        }
    }
    fprintf( stderr, "Check\n" ); 
    
    for(i = 1; i <= numOfCandidates; i++){
        if(maxOfCandidateSupporters < candidateSupporters[i])
            maxOfCandidateSupporters = candidateSupporters[i];
    }
    
    //printf("maxOfCandidateSupporters is %d\n", maxOfCandidateSupporters);
    
    for(i = 1; i <= numOfCandidates; i++){
        if(maxOfCandidateSupporters == candidateSupporters[i]){
            bestCandidatesList[XthBestCandidates] = i;
            //printf("%dth best candidate is %d\n", XthBestCandidates, i);
            XthBestCandidates++;
        }
    }
    
    fprintf( stderr, "Check\n" ); 
    
    for(i = 1; i < XthBestCandidates; i++){
        printf("%d\n", bestCandidatesList[i]);
    }
    return 0;
}