import java.util.*;
public class Test1{
public static void main(String[]args){
Scanner in =new Scanner(System.in);
System.out.println("请输入一个数");
int num=in.nextInt();
if(num ==0){
System.out.println("错误");
}else{
if(num%2==0){
System.out.println("num是一个偶数");
}else{
System.out.println("num是一个奇数");
}
}
}
}
public class Test1{
public static void main(String[]args){
Scanner in =new Scanner(System.in);
System.out.println("请输入一个数");
int num=in.nextInt();
if(num ==0){
System.out.println("错误");
}else{
if(num%2==0){
System.out.println("num是一个偶数");
}else{
System.out.println("num是一个奇数");
}
}
}
}