import java.util.*;

abstract class Marks{

double s1, s2, s3, s4, s5, s6, s7;

abstract double getPercentage();

}

class A extends Marks{

A(double a, double b, double c){

this.s1 = a;

this.s2 = b;

this.s3 = c;

}

double getPercentage(){

return (s1+s2+s3)/3;

}

}

class B extends Marks{

B(double d, double e, double f, double g){

this.s4 = d;

this.s5 = e;

this.s6 = f;

this.s7 = g;

}

double getPercentage(){

return (s4+s5+s6+s7)/4;

}

}

public class School{

public static void main(String[] args){

Scanner sc = new Scanner(System.in);

System.out.println("Enter Marks of Student A:- ");

System.out.print("> Subject1: ");

double s1 = sc.nextDouble();

System.out.print("> Subject2: ");

double s2 = sc.nextDouble();

System.out.print("> Subject3: ");

double s3 = sc.nextDouble();

sc.nextLine();

Marks student1 = new A(s1, s2, s3);

System.out.println("\nEnter Marks of Student B:- ");

System.out.print("> Subject4: ");

double s4 = sc.nextDouble();

System.out.print("> Subject5: ");

double s5 = sc.nextDouble();

System.out.print("> Subject6: ");

double s6 = sc.nextDouble();

System.out.print("> Subject7: ");

double s7 = sc.nextDouble();

sc.nextLine();

Marks student2 = new B(s4, s5, s6, s7);

System.out.printf("\nPercentage of Student 1: %.3f\n", student1.getPercentage());

System.out.printf("\nPercentage of Student 2: %.3f\n", student2.getPercentage());

if(student1.getPercentage() >= student2.getPercentage()){

System.out.println("\nMarks of Student A:-");

sort(student1, 4);

System.out.println("\nMarks of Student B:-");

sort(student2, 3);

}else{

System.out.println("\nMarks of Student B:-");

sort(student2, 3);

System.out.println("\nMarks of Student A:-");

sort(student1, 4);

}

}

static void sort(Marks m, int limit){

String[] arrnames = {"Subject1", "Subject2", "Subject3", "Subject4", "Subject5", "Subject6", "Subject7"};

double [] arr = {m.s1, m.s2, m.s3, m.s4, m.s5, m.s6, m.s7};

int n = 7;

for (int i = 0; i < n - 1; i++){

for (int j = 0; j < n - i - 1; j++){

if (arr[j] > arr[j + 1]) {

double temp = arr[j];

arr[j] = arr[j + 1];

arr[j + 1] = temp;

String temp2 = arrnames[j];

arrnames[j] = arrnames[j + 1];

arrnames[j + 1] = temp2;

}

}

}

for(int i = 6; i>=limit; i--){

System.out.println(arrnames[i] + ": " + arr[i]);

}

}

}