#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int count=0;
    for(int i=1;i<=6;i++){
    double num=0;
    scanf("%lf\n",&num);
    if(num>0) 
    {
    count++;    
    }
    }
    printf("%d positive numbers",count);
    return 0;
}