Nearest prime number

import java.util.Scanner;
public class yp{public static void main(String args[]){
int i,j,n;
Scanner in=new Scanner(System.in);
i=in.nextInt();
int value=1;
for(j=2;j<=i;j++)
{if(j==i){value=i;}if(i%j==0){i--;}}
System.out.println("nearest prime number is"+value);}
}