Problem I: String - Finding a Word

"
Time Limit $1$ 秒/Second(s) Memory Limit $512$ 兆字节/Megabyte(s)
提交总数 $212$ 正确数量 $76$
裁判形式 标准裁判/Standard Judge 我的状态 尚未尝试
难度 分类标签 STL 字符串

Finding a Word 

Write a program which reads a word W and a text T, and prints the number of word W which appears in text T 

T consists of string Ti separated by space characters and newlines. Count the number of Ti which equals to W. The word and text are case insensitive.

In the first line, the word W is given. In the following lines, the text T is given separated by space characters and newlines. 

"END_OF_TEXT" indicates the end of the text.

Print the number of W in the text.
computer
Nurtures computer scientists and highly-skilled computer engineers
who will create and exploit "knowledge" for the new era.
Provides an outstanding computer environment.
END_OF_TEXT
3

The length of W ≤ 10 

W consists of lower case letters 

The length of T in a line ≤ 1000