//10633
#include<stdio.h>
int main()
{
unsigned long int n,x;
while(scanf("%ld",&n)==1)
{
if(n==0)
break;
x=(n*10)/9;
if(n%9==0)
printf("%ld %ld\n",x-1,x);
else
printf("%ld\n",x);
}
}