clear
    n=46
    f1=0; f2=1
    printf("fibo(%d)=%d\n",0,f1)
    printf("fibo(%d)=%d\n",1,f2)
    for i=2:n
        f3=f1+f2
        printf("fibo(%d)=%d\n",i,f3)
        f1=f2
        f2=f3
    end