/*
   ACM North Central Region, 1993-94
   Problem G, Inventory Maintenance

   Ed Karrels, March 1996
*/

#include <stdio.h>

typedef struct {
   char name[11];
   int on_hand;
   float buy, sell;
} Ware;

int Read(char **name, int *i1, float *f1, float *f2) {
   static char str[20];

   *name = str;
   scanf("%s", str);
   if (!strcmp(str, "report")) return 5;
   if (!strcmp(str, "new")) {
      scanf("%s %f %f", str, f1, f2);
      return 1;
   } else if (!strcmp(str, "delete")) {
      scanf("%s", str);
      return 2;
   } else if (!strcmp(str, "buy")) {
      scanf("%s %d", str, i1);
      return 3;
   } else if (!strcmp(str, "sell")) {
      scanf("%s %d", str, i1);
      return 4;
   } else {
      return 0;
   }
}   

int Cmp(const void *av, const void *bv) {
   Ware *a = (Ware*)av;
   Ware *b = (Ware*)bv;
   return strcmp(a->name, b->name);
}

int Lookup(Ware w[], int nw, char *name) {
   int i;
   for (i=0; i<nw; i++)
      if (!strcmp(w[i].name, name))
	 return i;

   return 0;
}

int main() {
   Ware w[100];
   int nw, cmd, i, in;
   float f, g, profit = 0;
   char *name;

   while (cmd = Read(&name, &i, &f, &g)) {
      if (cmd == 5) {
	 qsort(w, nw, sizeof(Ware), Cmp);
	 printf("%35s", "INVENTORY REPORT\n");
	 printf("Item Name     Buy At      Sell At      On Hand        Value\n");
	 printf("---------     ------      -------      -------        -----\n");
	 f = 0;
	 for (i=0; i<nw; i++) {
	    printf("%-14s%6.2f%13.2f%13d%13.2f\n", w[i].name, w[i].buy,
		   w[i].sell, w[i].on_hand, w[i].on_hand * w[i].buy);
	    f += w[i].on_hand * w[i].buy;
	 }
	 printf("------------------------\n");
	 printf("Total value of inventory %34.2f\n", f);
	 printf("Profit since last report %34.2f\n\n", profit);
	 profit = 0;
      } else {
	 if (cmd != 1) in = Lookup(w, nw, name);
	 switch (cmd) {
	  case 1:
	    strcpy(w[nw].name, name);
	    w[nw].buy = f;
	    w[nw].sell = g;
	    w[nw].on_hand = 0;
	    nw++;
	    break;
	  case 2:
	    profit -= w[in].on_hand * w[in].buy;
	    w[in] = w[--nw];
	    break;
	  case 3:
	    w[in].on_hand += i;
	    break;
	  case 4:
	    profit += i * (w[in].sell - w[in].buy);
	    w[in].on_hand -= i;
	    break;
	 }
      }
   }
   return 0;
}