#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <iomanip>
using namespace std;

using ll = long long;

#define CIN( LL , A ) LL A; cin >> A 
#define GETLINE( A ) string A; getline( cin , A ) 
#define GETLINE_SEPARATE( A , SEPARATOR ) string A; getline( cin , A , SEPARATOR ) 
#define FOR_LL( VAR , INITIAL , FINAL_PLUS_ONE ) for( ll VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) 
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 
#define REPEAT( HOW_MANY_TIMES ) FOR_LL( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES ) 
#define RETURN( ANSWER ) cout << ( ANSWER ) << endl; return 0 
#define DOUBLE( PRECISION , ANSWER ) cout << fixed << setprecision( PRECISION ) << ( ANSWER ) << endl; return 0 

template <typename T> inline T Distance( const T& a , const T& b ){ return a < b ? b - a : a - b; }

int main()
{
  
  GETLINE_SEPARATE( j , ',' );
  GETLINE_SEPARATE( m , ',' );
  GETLINE( b );
  ll T = stoi( j ) + stoi( m ) + stoi( b );
  ll A10 = ( T * 10 ) / 3;
  cout << "合計点:" << T << endl;
  RETURN( "平均点:" + to_string( A10 / 10 ) + "." + to_string( A10 % 10 ) );

}