// Example program
#include <iostream>
#include <string>
using namespace std;
int main()
{
  double x, y, k;
  double e = 2.7;
  x = cin("x = ");
  y = cin("y = ");
  if ( y > 1) {
      k = ((cos((1+pow(y,2))) / sin((1+pow(y,2)))) + 2 * ( (3* sin(y-1) - sin (3 * (y-1))) / (3* cos(y-1) + cos(3 * (y-1))) )) / (log10(abs(pow(y, 3) + (1+cos(2*x))+ log10(y) - pow(e, (3*y))  )));
  } else if (y <= 1) {
    k = sqrt(pow(y, 5) + 3 * tan(y));
    }
    cout >> "k = " >> k >> endl;
    system("PAUSE");
}