#include <bits/stdc++.h>
using namespace std;

int a[210],n,m,x; 
int main(){
    cin>>n>>m;
    for(int i = 1;i <= m;i++){
    	cin>>x;
    	a[x]++;
	}
	
	int ma = 1;
	for(int i = 1;i <= n;i++){
		if(a[i] > a[ma]) ma = i;
	}
	cout<<ma;
    return 0;
}

/**************************************************************
	Problem: 2005
	User: admin
	Language: C++
	Result: Accepted
	Time:65 ms
	Memory:2072 kb
****************************************************************/