3digitnosusing1234

package com.mycompany.practice;
import java.util.Scanner;

public class CodePractice{
  
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int amount=0;
        
        for(int i=1;i<=4;i++){
            for(int j=1;j<=4;j++){
                for(int k=1;k<=4;k++){
                    
                        if(k!=i && k!=j && i!=j){
                            System.out.println(i + " " + j + " " + k );
                            amount++;
                        }
                    }
                }
            
        }System.out.println("the no of combos are:" + amount);
        
          
        
    }
   
    }