Planina.cpp

#include <bits/stdc++.h>
using namespace std;

int main(void){

	int n;
	long result = 0;
	
	cin >> n;
	
	 switch (n) 
   { 
       	case 1:
		   {
       		result = pow(3,2);
       		cout << result << endl;
			break;
		   }
		   	 
       	case 2:
		   {
       		result = pow(5,2);
       		cout << result << endl;
			break;
		   }  
       	case 3: 
		   {
       		result = pow(9,2);
       		cout << result << endl;
			break;
		   } 
     	case 4:
		 {
       		result = pow(17,2);
       		cout << result << endl;
			break;
		   }  
       	case 5: 
		   {
       		result = pow(33,2);
       		cout << result << endl;
			break;
		   } 
       	case 6:
       		{
       		result = pow(65,2);
       		cout << result << endl;
			break;
		   }
		case 7:
		{
       		result = pow(129,2);
       		cout << result << endl;
			break;
		   }  
       	case 8:
		   {
       		result = pow(257,2);
       		cout << result << endl;
			break;
		   }  
       	case 9:
		   {
       		result = pow(513,2);
       		cout << result << endl;
			break;
		   } 
     	case 10:
		 {
       		result = pow(1025,2);
       		cout << result << endl;
			break;
		   }  
       	case 11: 
       	{
       		result = pow(2049,2);
       		cout << result << endl;
			break;
		   }
       	case 12: 
		   {
       		result = pow(4097,2);
       		cout << result << endl;
			break;
		   }   
		case 13:  
		{
       		result = pow(8193,2);
       		cout << result << endl;
			break;
		   }
       	case 14:  
       	{
       		result = pow(16385,2);
       		cout << result << endl;
			break;
		   }
       	case 15: 
       	{
       		result = pow(32769,2);
       		cout << result << endl;
			break;
		   }
	}
	return 0;
}