#include <iostream>
#include <string>
#include <string.h>
using namespace std;
int main(int argc, char* argv[])
{
	const char *s="…";
	int sLen=strlen(s);
	string S;
	cin>>S;
	char *pStr=(char*)S.c_str();
	int maxNum=0;
	int num=0;
	char *p=pStr;
	while (*p!='\0'){
		if (!memcmp(p,s,sLen)){
			num++;
			p+=sLen;
		}else{
			if (maxNum<num){
				maxNum=num;
			}
			num=0;
			p++;
		}

	}
	if (maxNum<num){
		maxNum=num;
	}
	cout<<maxNum<<endl;
	return 0;
}