The perimeter of a triangle is an odd number, and the lengths of the three sides are all integers, and two of the sides are 5 and 26 respectively, so how many triangles satisfy the above conditions?
一个三角形的周长是奇数，且三条边长都是整数，其中的两条边长分别是5和26，那么满足上述条件的三角形共有多少个．
<result>5</result>