#include <iostream>

using namespace std;

int main()
{
    double x[5];
    int m[5];
    double multiplictions[5];
    double sum = 0.0;
    int mSum = 0;
    double averageValue = 0.0;
    for (int i = 0; i < 5; ++i)
    {
        cin >> x[i] >> m[i];
        multiplictions[i] = x[i] * m[i];
        mSum += m[i];
        sum += multiplictions[i];
    }
    averageValue = sum / 5.0;
    cout << mSum << " " << averageValue << endl;
    return 0;
}

/*

0.5 34
0.233 8
0.2 39
0.87 1
0.98322 9

91 7.2766


0.625 17
0.133333 15
0.272727 9
0.142857 7
0.8 3

51 3.69591


0.1875 2
0.571429 18
0.75 11
0.409091 4
0.6 9

44 5.18942


0.5 8
0.727273 15
0.166667 11
0.9 18
0.846154 11

63 8.45003


0.5 13
0.434783 2
0.95 12
0.73913 15
0.764706 19

61 8.87719


0.928571 13
0.722222 6
0.545455 18
0.25 5
0.8 18

60 8.37459


0.285714 9
0.888889 19
0.375 14
0.409091 0
0.833333 9

51 6.44206


0.5 2
0.541667 8
0.375 14
0.4 18
0.833333 14

56 5.89


0.181818 11
0.555556 6
0.5 19
0.888889 11
0.636364 11

58 6.32222


0.875 2
0.636364 18
0.846154 19
0.4 13
0.538462 13

65 8.29629


0.25 19
0.05 13
0.461538 5
0.875 13
0.2 16

66 4.45654


*/