The red ball represents 1 point, the green ball represents 5 points, the blue ball represents 10 points, and the black ball represents 25 points. How many combinations can there be to form 50 points?
红色球表示1分，绿色球表示5分，蓝色球表示10分，黑色球表示25分，则组成50分可以有多少种组合方式．
<gadget id="calculator">1 + 2 + 4 + 6 + 1 + 3 + 5 + 7 + 9 + 11</gadget>
<output>49</output>

<result>49</result>