import java.util.Scanner;
public class Main { public static void main(String[] args) { Main main = new Main(); Scanner scan = new Scanner(System.in); int number = scan.nextInt(); System.out.println(main.isPrimeNumber(number)); }
public Boolean isPrimeNumber(int number) {
if(number==2||number==3){
return true;
}
for(int i=3;i<number;i++){
if(number%i==0){
return false;
}
}
return true;
//write your code here......
}
}



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