Please lend me your powers guys!!
im actually having problem for this loop.. all i want is when i type a wrong or "Invalid choice" it will loop to the "How many rounds do i have" ..
we'll. just look at my codes here..
I hope you guys can help me

Java Code: 
import java.util.Scanner;

public class RPS {

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

		char p1, p2 = 0, repeat = 0;
		int round;
		int c,pts1=0,pts2=0;
		String player1;
        String player2;
        System.out.println("           Welcome to Rock, Paper, Scissor Game\n\n");
        System.out.print("Enter Player 1 nickname: ");
        player1 = console.nextLine();
        System.out.println("Player 1 name is "+ player1 + "...");
        System.out.print ("Enter Player 2 name: ");
        player2 = console.nextLine();
        System.out.println("Player 2 nickname is "+ player2 + "...");
    	do
    {
    	c = 1; round = 0;
    	pts1 = 0; pts2 = 0;
        System.out.print("How many rounds do you want?: ");
        round = console.nextInt();
        System.out.println ("\nchoose R = Rock, S = Scissor, P = Paper");

        while (c <= round)
        {
        System.out.print("\n         Round "+ c++);
        System.out.println(" Fight!!!\n");
        System.out.print (player1+ "'s turn: ");
                p1 = console.next().charAt(0);
                if (p1 == 'r' || p1 == 'R' || p1 == 'p' || p1 == 'P' || p1 == 's' || p1 == 'S' &&
                	p2 == 'r' || p2 == 'R' || p2 == 'p' || p2 == 'P' || p2 == 's' || p2 == 'S'){ }
                else {System.out.print("         Invalid Character! start from the top again!!\n");
                System.exit(0);}
                

                System.out.print (player2+"'s turn: ");
                p2 = console.next().charAt(0);
                if (((p1 == 'r') || (p1 == 'R')) && ((p2 == 'r') || (p2 == 'R')))
                {
                    System.out.println("         DRAW! Nobody wins.\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 'p') || (p1 =='P')) && ((p2 == 'p') || (p2 == 'P')))
                {
                    System.out.print("         DRAW! Nobody wins.\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 's') || (p1 =='S')) && ((p2 == 's') || (p2 == 'S')))
                {
                    System.out.print("         DRAW! Nobody wins.\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 's') || (p1 =='S')) && ((p2 == 'p') || (p2 == 'P')))
                {
                    System.out.print("         Scissors cut the paper\n"); pts1++;
                    System.out.print("       " + player1 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 'p') || (p1 =='P')) && ((p2 == 's') || (p2 == 'S')))
                {
                    System.out.print("         Scissors cut the paper\n"); pts2++;
                    System.out.print("       " + player2 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 'p') || (p1 =='P')) && ((p2 == 'r') || (p2 == 'R')))
                {
                    System.out.print("         Paper Covered the Rock\n"); pts1++;
                    System.out.print("       " + player1 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 'r') || (p1 =='R')) && ((p2 == 'p') || (p2 == 'P')))
                {
                    System.out.print("         Paper Covered the Rock\n"); pts2++;
                    System.out.print("               " + player2 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 'r') || (p1 =='R')) && ((p2 == 's') || (p2 == 'S')))
                {
                    System.out.print("         Scissors had been broken by the Rock\n"); pts1++;
                    System.out.print("                     " + player1 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else if (((p1 == 's') || (p1 =='S')) && ((p2 == 'r') || (p2 == 'R')))
                {
                    System.out.print("        Scissors had been broken by the Rock\n"); pts2++;
                    System.out.print("                     " + player2 + " wins!\n");
                    System.out.print("Score: \n" + player1+"'s points = " + pts1 + "\n"+ player2 +"'s points = " + pts2);
                }
                else {
                	System.out.print("         Invalid Character! Start from the top again!!\n");
                	System.exit(0);
                }
        }
        System.out.print("\n\n\tAND THE CHAMPION IS... ");
        if (pts1 > pts2){
        	System.out.println(player1 +"!! with the score of "+ pts1 +" - "+ pts2 + "\n                        CONGRATULATIONS!!");
        	System.out.print("                   Better Luck next time "+ player2);
        }
        else if (pts1 < pts2){
        	System.out.println(player2 + "!! with the score of "+ pts2 +" - "+ pts1 +  " \n                        CONGRATULATIONS!!");
        	System.out.print("                   Better Luck next time "+ player1);

        }
        else {
        	System.out.println(" DRAW!! No winner");

        } System.out.print("\nDo you wish to continue the game? \n Y - Yes : N - No: ");
        repeat = console.next().charAt(0);
        
}while ((repeat == 'y') || (repeat == 'Y'));
        }
	}