#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double e = 2.71828182846;
double x = 0.29;
double y = atan(pow(pow(x * e , x), 3));
cout << y;
return 0;
}
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double e = 2.71828182846;
double x = 0.29;
double y = atan(pow(pow(x * e , x), 3));
cout << y;
return 0;
}