```#include <iostream>
using namespace std;

int main() {

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

    // write your code here......
    char *c=str;
    int count=0;
    for(int i=0;;i++){
        if(*(c+i)=='\0'){
            break;
        }
        count++;
    }
    cout<<count<<endl;

    return 0;
}