程序代码：

import java.util.*; 
public class Main { 

 
    public static void main(String[] args) { 
        int n,k; 
        Scanner scan = new Scanner(System.in); 
        while(scan.hasNext()){ 
        n = scan.nextInt(); 
        k = scan.nextInt(); 
        int[][] temp = new int[n][k]; 
        int[] sum = new int[n]; 
        for(int i = 0; i < temp.length; i++){ 
            for (int j = 0; j < temp[0].length; j++){ 
                temp[i][j] = scan.nextInt(); 
                sum[i] += temp[i][j]; 
            } 
        } 
        int [] average = new int[k]; 
        for (int i = 0; i < temp[0].length; i++){ 
            for (int j = 0; j < temp.length; j++ ) 
                average[i] += temp[j][i]; 
        } 
        for (int i = 0; i < sum.length; i++) 
            System.out.print(sum[i] + " "); 
        System.out.println(); 
        double a; 
        for (int i = 0; i < average.length; i++){ 
            a = average[i]/(double)n; 
            if(a * 10 % 10 < 5) 
            System.out.print((int)a + " "); 
            else 
                System.out.print((int)(a +1) + " "); 
        } 
        System.out.println(); 
        System.out.println(); 
        } 
    } 

 
}