输入两个字符串，比较两字符串的长度大小关系。
输入第一行表示测试用例的个数m，接下来m行每行两个字符串A和B，字符串长度不超过50。
输出m行。若两字符串长度相等则输出A is equal long to B；若A比B长，则输出A is longer than B；否则输出A is shorter than B。
2 abc xy bbb ccc
abc is longer than xy bbb is equal long to ccc