#include <iostream>
#include <sstream>
#include <iomanip>
#include <math.h>

using namespace std;

int main(){
  double max;
  double min;
  double average;
  double sum = 0;
  double temp;
  double check;
  int i = 0;
  string define;
  int strict_flag = 0;
  int integers_only_flag = 0;

  cin >> define;
  size_t strict = define.find("strict");
  size_t integers_only = define.find("integers-only");

  if(define == "END"){
      cout <<"ERR: PROVIDE AT LEAST ONE NUMBER" << endl;
      return 0;
  }

  if(strict != string::npos){
    define.erase(define.begin(),define.end());
    strict_flag = 1;
  }
  if(integers_only != string::npos){
    define.erase(define.begin(),define.end());
    integers_only_flag = 1;
  }

  if(strict_flag == 0 && integers_only_flag == 0){
    istringstream valid_elements(define);
    valid_elements >> temp;
    max = temp;
    min = temp;
    sum = temp;
    i = 1;
  }

  while(1){
    cin >> define;
    if(define == "END"){
      break;
    }
    if(strict_flag == 1){
      if((define < "0" || define > "9") && define != " " && define != "\t" && define != "\n" && define != "/"&& define != "." ){
        cout << "ERR: PROVIDE ONLY NUMBERS" << endl;
        return 0;
      }
    }

    istringstream valid_elements(define);
    valid_elements >> temp;
    if(strict_flag == 1 && integers_only_flag == 1){
      if(modf(temp, &check) != 0){
        cout << "ERR: PROVIDE ONLY INTEGERS" << endl;
        return 0;
      }
    }
    if(i == 0){
      max = temp;
      min = temp;
      sum = temp;
      i = 1;
    }else{
      if(temp > max){
        max = temp;
      }
      if(temp < min){
        min = temp;
      }
      sum += temp;
      i++;
    }
  }
  average = sum/i;
  if(integers_only_flag == 1){
    int imax = max;
    int imin = min;
    int iaverage = average;
    cout << imin << " " << imax << " " << iaverage  << endl;
  }else{
    cout << setprecision(4 )<< min << " " << setprecision(4) << max << " " << setprecision(4) << average  << endl;
  }
  return 0;
}