#include <iostream>
#include<locale.h>
using namespace std;
int main(void){
	setlocale(LC_ALL,"Russian");
	int a=0;
	char st[80];
	char* pst=st;
	cin.getline(st,80);
	while(*pst!=0){
		*pst++;
		a=a+1;
	}
	cout<<a<<endl;
	system("pause");
	return 0;
}