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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Scanner sc=new Scanner(System.in);
  13. 		int a=sc.nextInt();
  14. 		int flag=0;
  15. 		if(a==0 || a==1){
  16. 			System.out.print("no");
  17. 		}
  18. 		else{
  19. 		for(int i=2;i<=a/2;i++){
  20. 			if(a%i==0){
  21. 				flag=1;
  22. 				break;
  23.  
  24. 			}
  25. 		}
  26. 		if(flag==0){
  27. 				System.out.print("yes");
  28. 		}
  29. 		else{
  30. 			System.out.print("no");
  31. 		}
  32. 		}
  33. 		// your code goes here
  34. 	}
  35. }
Success #stdin #stdout 0.11s 35328KB
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yes
https://ideone.com/O0mgqF
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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