//JAVA

public class PrimeNumber 
{
    public static void main(String[]args)
    {
        for(int i=1;i<=100;i++)
        {
            if(i==1)
                continue;
            
            int j=2;
            for(;j<i;j++)
            {
                if(i%j==0)
                    break;            
            }
            if(i==j)
            {
                System.out.print(i+"  ");
            }
        }
    }
}