#include "stdio.h"
#include <iostream>
#include "math.h"

using namespace std;

int main () {

  double a, b;
  
  cout << "Give me 2 numbers: " << endl;
  //printf("Give me 2 numbers: ");
  cin >> a >> b;

  cout.precision(2);
  cout << "Their sum is = " << a + b << endl;
  printf("%.6f %.6f %.6f\n",sqrt(a),exp(b),log10(a*b));

  return 0;

}