#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,s=0,b; while(s<100000) { n++; cin>>b; s=s+b; } printf("%d %.2lf",n,s*1.0/n); return 0; }