阅读程序写结果：

1#include <iostream>2#include <string>3using namespace std;4 5int main()6{7	string str;8	int i;9	int count; count = 0;10	getline( cin, str );11	for ( i = 0; i < str.length(); i++ )12		if ( str[i] >= 'a' && str[i] <= 'z' )13			count++;14	cout << "It has " << count << " lowercases" << endl; return(0);15}

输入：NOI2016 will be held in Mian Yang. 输出：_______