#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 a[6],i,s=0,n; double f; for(i=1;i<=5;i++){ cin>>a[i]; s+=a[i]; } f=s/5.0; printf("%.2lf\n",f); for(i=1;i<=5;i++){ if(i>f){ cout<<i<<" "; } } return 0; }