#include<iostream>
#include<stdio.h>
#include<stdlib.h>
using namespace std;
long int cycle(long,long);
int main()
{
long st,lm,n,c=0;
cin>>st>>lm;
while(st>0&&lm>0)
{
n=cycle(st,lm);
printf("Case %ld: A = %ld, limit = %ld, number of terms = %ld\n",++c,st,lm,n);
cin>>st>>lm;
}
exit(0);
}
long int cycle(long st,long lm)
{
long int n=0;
while(st<=lm&&st!=1)
{
if(!(st&1))
st>>=1;
else
st=st*3+1;
n++;
}
if(st==1)
n++;
return n;
}
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