#include <iostream>
#include <cstdio>

int main() {
    int cnt = 0;
    for (int i = 0; i < 6; ++i) {
        double n;
        scanf("%lf", &n); 
        // std::cin >> n;
        if (n > 0) 
            cnt++;
    }
    printf("%d positive numbers\n", cnt);
}