/**
 * Definition for singly-linked list.
 * public class ListNode {
 *     int val;
 *     ListNode next;
 *     ListNode(int x) { val = x; }
 * }
 */
class Solution {// [] [*] [] []
    public void deleteNode(ListNode node) {//删除当前点, 但实际删除下一个点
        ListNode p = node.next;//获取下个点
        node.val = p.val;//下个点的值赋到当前点, 表示当前点被删
        node.next = p.next;//当前点的next指针越过下个点
        //达到了删除下个点, 但下个点的数据被存储下来.
        //成了删除当前点的假象
    }
}

//这里填你的代码^^
import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int row = sc.nextInt();
        int col = sc.nextInt();
        int[][] w = new int[row][col];
        for(int i=0;i<row;i++){
            for(int j =0;j<col;j++){
                w[i][j]=sc.nextInt();
            }
        }
        print2D(w,row,col);

    }

    private static void print2D(int[][] w, int row, int col){
        for(int i = 0;i<row;i++){
            for(int j=0;j<col;j++){
                System.out.printf("%d ",w[i][j]);
            }
            System.out.println();
        }
    }

}

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt(),b = sc.nextInt();
        System.out.println(max(a,b));


    }
    private static int max(int a,int b){
        return Math.max(a,b);
    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int L = sc.nextInt();
        String c = sc.next();

        double[][] m = new double[12][12];
        for (int i = 0; i < 12; i++) {
            for (int j = 0; j < 12; j++) {
                m[i][j]=sc.nextDouble();
            }
        }


        double sum = 0.0;
        for (int i = 0; i < 12; i++) {
            sum+=m[L][i];
        }
       if (c.equals("M"))//求和或者平均值
           sum/=12;
        System.out.printf("%.1f",sum);
    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc  = new Scanner(System.in);
        int[] a = new int[10];
        int x;

        for (int i = 0; i < 10; i++) {
              x = sc.nextInt();
              if (x<=0)
                  a[i]=1;
              else
                  a[i]=x;
        }

        for (int i = 0; i < 10; i++) {
            System.out.printf("X[%d] = %d\n",i,a[i]);
        }
    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int res=0;
        for (int i=0;i<6;i++){
            double x = sc.nextDouble();
            if (x>0)res++;
        }
        System.out.printf("%d positive numbers",res);

    }
}

public class Main {
    public static void main(String[] args) {
        for (int i =2 ;i<=100;i+=2){
            System.out.println(i);
        }
    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();

        System.out.printf("DIFERENCA = %d",(a*b-c*d));
    }
}

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        System.out.println(a+b);

    }
}

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        System.out.println(a+b);

    }
}