PROGRAMMING:give the thumbs-up
Microblog has a "like" function, you can like for your favorite blog to show support. Every blog post has some labels that describe its characteristics, and the type of blog post you like indirectly describes your characteristics. This problem requires you to write a program, through the statistics of a person's praise records, analyze the characteristics of this person.
###Input format:
Enter a positive integer in the first line, $$n $$($$Le 1000 $$), which is the number of blog posts that the user likes. Next, $$n $$lines, each line gives a feature description of the blog that it likes, in the format of "$$k $$$f"_ 1\cdots F_ K $$, where $$1 / Le K / Le 10 $$, $$f_ I $$($$I = 1, cdots, K $$) is the number of the feature tag. We number all the feature tags from 1 to 1000. Numbers are separated by spaces.
###Output format:
Count the most common feature tag in all liked blog posts, and output its number and occurrence times in one line, with a space between the numbers. If there are parallels, the one with the largest number will be output.
###Input example:
```in
four
3 889 233 2
5 100 3 233 2 73
4 3 73 889 2
2 233 123
```
###Output example:
```out
233 3
```
answer：If there is no answer, please comment
###Input format:
Enter a positive integer in the first line, $$n $$($$Le 1000 $$), which is the number of blog posts that the user likes. Next, $$n $$lines, each line gives a feature description of the blog that it likes, in the format of "$$k $$$f"_ 1\cdots F_ K $$, where $$1 / Le K / Le 10 $$, $$f_ I $$($$I = 1, cdots, K $$) is the number of the feature tag. We number all the feature tags from 1 to 1000. Numbers are separated by spaces.
###Output format:
Count the most common feature tag in all liked blog posts, and output its number and occurrence times in one line, with a space between the numbers. If there are parallels, the one with the largest number will be output.
###Input example:
```in
four
3 889 233 2
5 100 3 233 2 73
4 3 73 889 2
2 233 123
```
###Output example:
```out
233 3
```
answer：If there is no answer, please comment