import java.util.*;
public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		
		int n = stdIn.nextInt(); //マスの数
		int m = stdIn.nextInt(); //料金所の数
		int x = stdIn.nextInt(); //今いる場所
		int[] a = new int[m];
		
		for(int i = 0; i < m; i++) {
			a[i] = stdIn.nextInt();
		}
		
		int cntleft = 0;
		int cntright = 0;
		
		for(int i = 0; i < m; i++) {
			if(a[i] < x) {
				cntleft++;
			}else {
				cntright++;
			}
		}
			
		int min = Math.min(cntleft, cntright);
		System.out.println(min);
	}	

}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz