#include <bits/stdc++.h>
#define PI 3.14159265359
#define NIL -1
using namespace std;
const int64_t MOD = 1e9 + 7;

int main() {
	string S;
	cin >> S;
	//cout << S << endl;

	vector<int> v;
	for (int i = 0; i < S.size(); i++) {
		char ch = S.at(i);
		int n = (int)ch;
		//cout << n << endl;
		v.push_back(n);
	}

	int cnt = 0;
	int MAX = 0;
	for (int i = 0; i < v.size()-1; i+=2) {
		int a, b;
		a = v.at(i);
		b = v.at(i + 1);

		if ((a == -127) && (b == 99)) {
			cnt++;
		}
		else {
			if (cnt > MAX) MAX = cnt;
			cnt = 0;
		}
	}

	cout << cnt << endl;
}