class GFG
{
 
// Function to return the required XOR
public static int computeXor(int[] A, int[] B) {
        int xora = 0, xorb = 0;
        for (int a: A)
            xora = xora & a;
        for (int b: B)
            xorb =xorb & b;
        return xora ^ xorb;
    }
 
// Driver code
public static void main(String args[])
{
    //int a = 1, b = 2 , c=3 , d=4;
    int A[] = {1,2};
    int B[] = {3,4};
 
    System.out.println(computeXor(A,B));
}
}

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