import java.util.Scanner;
public class Main{
public static void main(String []args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int m = sc.nextInt();
int [] boys = new int [n];
int [] girls = new int [m];
int boyMax = 0;
int girlMax= 0;
for(int i = 0; i < n; i++){
boys[i] = sc.nextInt();
if(boyMax < boys[i]){
boyMax = boys[i];
}
}
for(int i = 0; i < m; i++){
girls[i] = sc.nextInt();
if(girlMax < girls[i]){
girlMax = girls[i];
}
}
System.out.printf("%d", boyMax + girlMax);
}
}
这题可以定义两个数组,在数组里面找到男女的最大值,然后再相加,最后输出结果。