Java: can any one tell me the bug that sometimes the two values are and computer wins in stone paper sizzors game please tell me the corrected code

import java.util.Scanner;
import java.util.Random;

public class ja9 {
    public static void main(String[] args) {
        // stone paper sizzors GAME

        Scanner s = new Scanner(System.in);
        Random r = new Random();
        int count_user = 0, count_coumputer = 0;
        for (int k = 1; k <= 3; k++) {
            System.out.println("*** lets play a game *** ");
            System.out.println("1-->stone\n2-->paper\n3-->sizzors");
            int userinput;
            System.out.println("enter the number:-");
            userinput = s.nextInt();
            s.nextLine();
            if (userinput == 1) {
                System.out.println("you have choosen stone");
            } 
            else if (userinput == 2) {
                System.out.println("you have choosen paper");
            } 
            else{
                System.out.println("you have choosen sizzors");
            }

            int coumputerinput = r.nextInt(3)+1;
            if (coumputerinput == 1) {
                System.out.println("coumputer has choosen stone");
            } 
            else if (coumputerinput == 2) {
                System.out.println("coumpter has choosen paper");
            } 
            else {
                System.out.println("coumpuer has choosen sizzor");
            }

            if (userinput <= 3) {
                if (userinput == coumputerinput) {
                    System.out.println("DRAW!!");
                } 
                else if ((userinput == 1 && coumputerinput == 3) || 
                           (userinput == 2 && coumputerinput == 1)|| 
                           (userinput == 3 && coumputerinput == 2)) {
                    System.out.println("YOU WON !! YEAH");
                    count_user++;
                } 
                else {
                    System.out.println("computer wons!!");
                    count_coumputer++;
                }

            } else {
                System.out.println("WRONG INPUT!!");
            }
        }
        System.out.print("\n\n");
        System.out.println("you have won " + count_user + " times");
        System.out.println("computer have won " + count_coumputer + " times");
        s.close();
    }

}