#include<iostream.h>
#include<conio.h>

void main()
{
clrscr();
int l=0,r=1,n=1,m=1,num,i;
cout<<"\nPress a number to view treebonachi:";
cin>>num;
cout<<r<<'\t';
for(i=2;i<=num;i++)
{
cout<<m<<'\t';
m=l+r+n;
l=r;
r=n;
n=m;
}
cout<<"\n\nPress any key to exit...";
getch();
}