#include <iostream>

using namespace std;

int main(){
    float a[6];
    int x = 0; // 记得赋值，否则会读取脏数据
    for (int i = 0 ; i < 6; i ++){
        cin >> a[i];
        if (a[i] > 0) x++;
    }
    cout << x << " positive numbers";
    return 0;
}