22 lines
490 B
Java
22 lines
490 B
Java
import java.util.*;
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public class Main{
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public static void main(String[] args) {
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Scanner scn = new Scanner(System.in);
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int num = scn.nextInt();
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boolean ans = isPrime(num);
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if(ans =! true) System.out.println("not prime");
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else System.out.println("prime");
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}
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public static boolean isPrime(int num){
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for(int i=2; i*i<num; i++){
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if(num %2 ==0){
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return false;
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}
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}
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return true;
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}
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}
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