#include <stdio.h> int main() { int arr[50000]; int i=0; while(scanf("%d",&arr[i])!=EOF) { i++; } int len=i; int sum=0; int count=0; double num=0; for(int j=0;j<len;j++) { if(arr[j]<0) { count++; } if(arr[j]>=0) { sum+=arr[j]; num++; } } if(num==0) printf("%d\n%.1lf",count,0.0); else printf("%d\n%.1lf",count,sum/num); return 0; }