#include <iostream>
using namespace std;

int main() {

    char str[100] = { 0 };
    cin.getline(str, sizeof(str));

    // write your code here......
    char *ptr=str;
    int i =0;
    while(*ptr!='\0')
    {
        i++;
        ptr++;
    }

    cout << i;

    return 0;
}