7 lines
		
	
	
		
			92 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			7 lines
		
	
	
		
			92 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| n = int(input())
 | |
| bit_num = int(input())
 | |
| n = n | (1 << bit_num - 1)
 | |
| i = int(n ~ 1)
 | |
| print(i)
 | |
| 
 |