2941.cpp

#include<cstdio>
#include<iostream>
#include<string>
using namespace std;


int main() {
	int cnt = 0;
	string s;
	cin >> s;
	for (int i = 0; i < s.length(); i++) {
		cnt++;
		if (s[i] == 'c') {
			if (s[i + 1] == '=' || s[i + 1] == '-') i++;
		}
		else if (s[i] == 'd') {
			if (s[i + 1] == 'z') {
				if (s[i + 2] == '=') i+=2;
			}
			else if (s[i + 1] == '-') i++;
		}
		else if (s[i] == 'l') {
			if (s[i + 1] == 'j') i++;
		}
		else if (s[i] == 'n') {
			if (s[i + 1] == 'j') i++;
		}
		else if (s[i] == 's') {
			if (s[i + 1] == '=') i++;
		}
		else if (s[i] == 'z') {
			if (s[i + 1] == '=') i++;
		}
	}
	printf("%d\n", cnt);

	return 0;
}