#include<stdio.h>
int main()
{
int n,m;
while(scanf("%d%d",&n,&m)==2&&n)
{
int i,count=0;
for(i=n-m+1;i<=n;i++)
{
int b=i;
while(b%2==0)
{
b/=2;
count++;
}
}
printf("%d/n",count);
}
return 0;
}
#include<stdio.h>
int main()
{
int n,m;
while(scanf("%d%d",&n,&m)==2&&n)
{
int i,count=0;
for(i=n-m+1;i<=n;i++)
{
int b=i;
while(b%2==0)
{
b/=2;
count++;
}
}
printf("%d/n",count);
}
return 0;
}