Text Volume

You are given a text of single-space separated words, consisting of small and capital Latin letters.

Volume of the word is number of capital letters in the word. Volume of the text is maximum volume of all words in the text.

Calculate the volume of the given text.

Input

The first line contains one integer number n (1 ≤ n ≤ 200) — length of the text.

The second line contains text of single-space separated words s1, s2, ..., si, consisting only of small and capital Latin letters.

Output

Print one integer number — volume of text.

Examples

Input

7
NonZERO

Output

5

Input

24
this is zero answer text

Output

0

Input

24
Harbour Space University

Output

1

Note

In the first example there is only one word, there are 5 capital letters in it.

In the second example all of the words contain 0 capital letters.

 

AC代码（有部分参考别的博主的代码）

 

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

char s[200];

int main()
{
   int n,x,m = 0;
   scanf("%d",&n);

   while(~scanf("%s",s)){//输入不为空格时进行循环 注意这种写法
       x = 0;
       int len = strlen(s);//每次的len代表了一个单词的长度
       for(int i = 0; i<len; i++){
           if(s[i] >= 'A' && s[i] <= 'Z')
               x++;
       }
       m = max(m,x);
   }

   printf("%d\n",m);
   return 0;
}