Tribonacci Numbers

// WAP to print the first ten terms of Tribonacci Series
class Tribonacci
{
    public static void main()
    {
        int i,f=0,s=1,t=1,fr;
        for(i=1;i<=10;i++)
        {
            System.out.println(f);
            fr=f+s+t;        
            f=s;
            s=t;
            t=fr;
        }
    }
}