Number Line Jumps

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    public static String kangaroo(int x1, int v1, int x2, int v2) {
            if (v1 == v2) 
            {
                    return (x1 == x2) ? "YES" : "NO";
            }
            if ((x1 - x2) % (v2 - v1) == 0 && (x1 - x2) / (v2 - v1) >= 0) 
            {
                    return "YES";
            }
    
    		return "NO";
    }
    
    
    
    
    ``}