All possible increasing combinations of 4 nums

import java.util.Scanner;
public class Main
{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter \"a\" here: ");
        int a = Integer.parseInt(sc.nextLine());
        System.out.print("Enter \"b\" here: ");
        int b = Integer.parseInt(sc.nextLine());
        int count = 0;
        for(int i = a;i<=b;i++){
            for(int j = i+1;j<=b;j++){
                for(int k = j+1;k<=b;k++){
                    for(int h = k+1;h<=b;h++){
                        System.out.println(String.format("%d %d %d %d",i,j,k,h));
                        count++;
                    }
                }
            }
        }

        if(count == 0){
            System.out.println("No");
        }

    }


}