#include <stdio.h>

main(int argc,char ** argv)
{  int max,min,n;
   printf("> ");
   scanf("%d",&n);
   max = n;
   min = n;
   printf("> ");
   scanf("%d",&n);
   while(n!=0)
   {  if(n>max)
       max = n;
      else
      if(n<min)
       min = n;
      printf("> ");
      scanf("%d",&n);
   }
   printf("max: %d; min: %d\n",max,min);
}