#include <stdio.h>

int main(void)
{
 int a ,b ,max, min;
 printf("dwse enan akeraio koufala ");
 scanf("%d",&a);
 printf("dwse kialon poustraki ");
 scanf("%d",&b);
 
 if ( a > b ) {
               max = a;
               min = b;
               }
 else {
       max = b;
       min = a;
      } 
      
 
 while(min <= max) {
                   if (min % 2 == 0)
                      printf("to %d artio \n",min);
                   else
                       printf("to %d perito \n",min);
                   min++;
                   }
 getchar();
 getchar();
 return 0;
 
          
      
}