#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int i,jks; double sum=0.00; for(i=1;i<=1000;i++){ cin>>jks; sum+=jks; if(sum>=100000){ cout<<i<<' '; break; } } printf("%.2lf",sum/i); return 0; }