View Code of Problem 20

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int n;
    while(scanf("%d",&n)!=EOF)
    {

    if(n%2==0||n==1)
    {
        printf("Yes\n");
    }
    else
    {
        if(n==3)
        {
            printf("No\n");
        }
        else if(n>3)
        {
            printf("Yes\n");
        }
    }

    }
    return 0;
}