uva 371

#include <cstdio>

int main()
{
    long int F, S, I, Count, Value, Max, J;
    while(scanf("%ld %ld", &F, &S) && F)
    {
        if(F > S) { F ^= S; S ^= F; F ^= S; }
        Max = 0;
        for(I = F; I <= S; I++)
        {
            Count = 0;
            J = I;
            do{
                if(J % 2) (J *= 3) ++;
                else J /= 2;
                Count ++;
            }while(J != 1);
            if(Count > Max) { Value = I; Max = Count; }
        }
        printf("Between %ld and %ld, %ld generates the longest sequence of %ld values.
",F, S, Value, Max);
    }
    return 0;
}