Game of numbers

Game of numbers
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Given are two numbers X and Y. Starting from number X, we can perform two functions on the number:
Double: Multiply the number by 2, or
Decrement: Subtract 1 from the number.
Find the minimum number of operations required to convert X to Y.
Input Format:
First line contains two space separated integers X and Y.
Output Format:
Print the minimum number of operations required to get Y, starting from X.
Constraints:
1 <= X,Y <= 10^9
Sample Input 1:
2 3
Sample Output 1:
2
Explanation:
Use double operation and then decrement operation {2 -> 4 -> 3}.
Sample Input 2:
1024 1
Sample Output 2:
1023

code in java  ***********************************************************

import java.util.*;
import java.lang.*;
import java.io.*;
public class Solution {
	public static void main (String[] args) {
	    // Write your code here
        // Take input and print desired output
	  Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        System.out.println(minOperations(x,y));
	}
     static int minOperations(int x, int y)
    {
        if (x == y)
            return 0;
        if (x <= 0 && y > 0)
            return -1;
        if (x > y)
            return x - y;
        if (y % 2 != 0)
            return 1 + minOperations(x, y + 1);
        else
            return 1 + minOperations(x, y / 2);
    }
}