#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;

int main()
{
    char s [52],*p = " ";
    int nr=0,nr2=0;
    ifstream f("text.in");
    ofstream g ("text.out");
    f.getline(s,256);
    while (s!=p)
    {nr++;
    s+1;
    }
    if (s==p)
        nr2++;
    g<<nr/nr2;
    g.close();
    f.close();

    return 0;
}