import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    } main {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) final int N = Integer.parseInt(sc.next()); N Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc final int M = Integer.parseInt(sc.next()); M Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc final int X = Integer.parseInt(sc.next()); X Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int ans = 0; ans 0 for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        } int i = 0; int i = 0; i 0 i < M i M i++ i++ i {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        } {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        } int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            } a < X a X {
                ans++;
            } ans++ ans {
                ans = Math.min(ans, M - ans);
                break;
            } ans = Math.min(ans, M - ans) ans Math.min(ans, M - ans) Math.min Math ans M - ans M ans break; out.println(ans) out.println out ans out.flush() out.flush out String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    }
} Main
import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
//        DecimalFormat df = new DecimalFormat("0.00000000");

        final int N = Integer.parseInt(sc.next());
        final int M = Integer.parseInt(sc.next());
        final int X = Integer.parseInt(sc.next());
        int ans = 0;
        for (int i = 0; i < M; i++) {
            int a = Integer.parseInt(sc.next());
            if (a < X) {
                ans++;
            } else {
                ans = Math.min(ans, M - ans);
                break;
            }
        }
        out.println(ans);
        
        out.flush();
    }
}