import java.util.Scanner;
public class Main {
static long[] a=new long[1000005];
static long[] b=new long[1000005];
static int[] c=new int[100005];
static int t=520;
static int max=-1;
static int min=(int)2e+9;
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int m=sc.nextInt();
for(int i=1;i<=m;i++) {
int l=sc.nextInt();
c[l]++;
max=Math.max(max,c[l]);
}
System.out.println(max);
}
}