> #include<stdio.h>
> int cycle(int m){
> 	int count=1;
> 	while(m!=1){
> 		count=count+1;
> 		if(m%2==1) m=3*m+1;
> 		else m=m/2;
> 	}
> 	return count;
> }
> int main(){
> 	int i,j,a[10000],max,k,e,d,q;
> 	scanf("%d %d",&i,&j);
> 	while(i>0&&j<=10000){
> 		d=j-i;
> 		q=i;
> 	    for(k=0;k<=d+1;k++){
> 			a[k]=cycle(i);
> 			i=i+1;
> 		}
> 		max=a[0];
> 		for(k=0;k<=d+1;k++){
> 			if(max<=a[k+1]) max=a[k+1];
> 		}
> 		printf("%d %d %d\n",q,j,max);
> 		scanf("%d %d",&i,&j);
> 	}
> 	return 0;
> }
>