#include<stdio.h>
#include<stdlib.h>
#define MAXA 10000
#define MAXB 10

int mon[MAXA][MAXB];
int act[MAXA][MAXB];

int main() {
  int i,k;
  int R=1;
  int x1,x2,x3,x4,x5,x6,y;
  char com[100];
  scanf("%d",&k);
  while (k) {
    for (i=0; i<k; i++) {
      scanf("%d/%d %d.%d",&x1,&x2,&x3,&x4);
      act[x1][x2]=R; mon[x1][x2]=x3*100+x4;
      /*printf("DEB: %d/%d %d\n",x1,x2,x3*100+x4); */
      }
    while(1) {
      scanf("%s",com);  
      if (com[0]=='e') break;
      switch(com[0]) {
      case 'w':
        scanf("%d/%d %d.%d",&x1,&x2,&x3,&x4);
        y=x3*100+x4;
        if (act[x1][x2]!=R) {
	  printf("withdraw %d.%02d: no such account\n",x3,x4);
	  break;
	  }
	if (mon[x1][x2]<y) {
	  printf("withdraw %d.%02d: insufficient funds\n",x3,x4);
          break;
	  }
	mon[x1][x2]-=y;
	printf("withdraw %d.%02d: ok\n",x3,x4);
        break;
      case 'd':
        scanf("%d/%d %d.%d",&x1,&x2,&x3,&x4);
        y=x3*100+x4;
        if (act[x1][x2]!=R) {
	  printf("deposit %d.%02d: no such account\n",x3,x4);
	  break;
	  }
	mon[x1][x2]+=y;
	printf("deposit %d.%02d: ok\n",x3,x4);
        break;
      case 'c':
        scanf("%d/%d",&x1,&x2);
	/* printf("DEB: %d %d\n",x1,x2); */
        if (act[x1][x2]==R) {
	  printf("create: already exists\n");
	  break;
	  }
	act[x1][x2]=R;
	mon[x1][x2]=0;
	printf("create: ok\n");
        break;
      case 't':
        scanf("%d/%d %d/%d %d.%d",&x1,&x2,&x3,&x4,&x5,&x6);
	y=x5*100+x6;
	/* printf("DEB: %d %d %d %d\n",x1,x2,x3,x4); */
        if (act[x1][x2]!=R) {
	  printf("transfer %d.%02d: no such account\n",x5,x6);
	  break;
	  }
        if (act[x3][x4]!=R) {
	  printf("transfer %d.%02d: no such account\n",x5,x6);
	  break;
	  }
	if ((x1==x3)&&(x2==x4)) {
	  printf("transfer %d.%02d: same account\n",x5,x6);
	  break;
	  }
	if (mon[x1][x2]<y) {
	  printf("transfer %d.%02d: insufficient funds\n",x5,x6);
          break;
	  }
	mon[x1][x2]-=y;
	mon[x3][x4]+=y;
	if (x2==x4) 
	  printf("transfer %d.%02d: ok\n",x5,x6);
	else  
	  printf("transfer %d.%02d: interbank\n",x5,x6);
        break;
        }
      }
    printf("end\n\n");
    R++;
    scanf("%d",&k);
    }
  printf("goodbye\n");  
  return 0;
  }