#include <stdio.h>
main(){
int a ,b ,yushu[1200] ,r ,i ,j;
int find;

scanf("%d%d",&a,&b);

while( a != 0 && b != 0)
{
yushu[0] = a;
printf(".");
i = 1;
find = 0;
 while(1)
 {
 r = yushu[i-1]*10/b;
 yushu[i] = yushu[i-1]*10%b;
 printf("%d",r);

 if(yushu[i]==0)
 {
  find = 2;
  break;
 }

 for( j = 0 ; j < i ; j++)
 {
  if(yushu[j]==yushu[i])
  {
   find = 1;
   break;
  }
 }

 if(find==1 || find==2)break;
 if( (i==49)  || ( (i > 51) && ((i+1)%50==0)   )     )printf("\n");  
 i++;
 }/*inside while*/
 if(find==1)
 {
  printf("\nThe last %d digits repeat forever.\n",i-j);
 }else{
  printf("\nThis expansion terminates.\n");
 }
scanf("%d%d",&a,&b);

}/*while*/

}