#include <iostream>
#include <fstream>
#include <cstring>
#include <cstdlib>

using namespace std;

void Citire(char* s)
{
    fstream fin("cale.txt");
    fin.getline(s, 999);
    fin.close();
}

int NrFold(char* s)
{
    char *p;
    int nr = 0;
    p = strtok(s, "\\");
    while((p = strtok(NULL, "\\")) != NULL)
        nr++;
    return nr-1;
}

int main()
{
    char sir[999];
    Citire(sir);
    //cout << sir << "\n";
    cout << NrFold(sir) << "\n";

    //-----3-----
    int s = 0;
    char *p, sep[] = "x=+ ", expr[99];
    cin.getline(expr, 99); //scrii x=15+127
    p = strtok(expr, sep);
    while(p != NULL)
    {
        s += atoi(p);
        p = strtok(NULL, sep);
    }
    cout << "x = " << s;

    return 0;
}