#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n=0,rmb=0,s; while(rmb<100000){ cin>>s; rmb+=s; n++; } cout<<n<<" "; printf("%.2lf",rmb*1.0/n); return 0; }