JAVA
//用int类型智能过10组,改成Integer可以AC
import java.util.Scanner;
public class Main {
static int N=100010;
static Integer[] a=new Integer[N];
static Integer[] b=new Integer[N];
public static void main(String[] args) throws Exception {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int m=sc.nextInt();
for (int i=0;i<n;i++){
a[i]=sc.nextInt();
}
for (int j=0;j<m;j++){
b[j]=sc.nextInt();
}
int i=0;
for (int j=0;j<m;j++){
if (i<n&&a[i].equals(b[j]))i++;
}
if (i==n) System.out.println("Yes");
else System.out.println("No");
sc.close();
}
}