#include <stdio.h>

int main(int arg, char *arc[]){

  FILE *a;
  char *x;
  int i,y,z;


  a = fopen("input.txt","+r");
  while(!EOF){
    fscanf(a,"%s %d %d", x,y,z);
    printf("x=: %d", y);   
   switch(x){

   case "STACK_CREATE":

     break; 

   case "STACK_PUSH":

     break;

   case "STACK_POP":

     break;

   case "STACK_READ_TOP":

     break;

   case "STACK_DESTROY":

     break;

   case "HEAP_CREATE":

     break;

   case "HEAP_INSERT":

     break;

   case "HEAP_READ_TOP":

     break;

   case "HEAP_DELETE_TOP":

     break;

   case "HEAP_DESTROY":

     break;

   case "AVL_CREATE":

     break;

   case "AVL_INSERT":

     break;

   case "AVL_DELETE":

     break;

   case "AVL_SEARCH":

     break;

   case "AVL_COMPUTE_POSTORDER":

     break;

   case "AVL_COMPUTE_PREORDER":

     break;

   case "AVL_COMPUTE_INORDER":

     break;

   case "AVL_DESTROY":

     break;

   case "HASH_CREATE":

     break;

   case "HASH_INSERT":

     break;

   case "HASH_DELETE":

     break;

   case "HASH_SEARCH":

     break;

   case "HASH_DESTROY":

     break;

   case "GRAPH_CREATE":

     break;

   case "GRAPH_INSERT_VERTEX":

     break;

   case "GRAPH_INSERT_EDGE":

     break;

   case "GRAPH_DELETE_VERTEX":

     break;

   case "GRAPH_DELETE_EDGE":

     break;

   case "GRAPH_COMPUTE_MINSPANTREE":

     break;

   case "GRAPH_COMPUTE_SHORTEST_PATHS":

     break;

   case "GRAPH_DESTROY":

     break;

default:
      printf("Unkwown command :P");
      break;
      }

  }





  return 0;

}