/* TRAX player for communication test which may cause violation */

#include <stdio.h>
#include <string.h>
char buf[256];

int main(void){
  while (1) {
    scanf("%s",buf);
    fprintf(stderr,"%s\n",buf);
    if (!strcmp(buf,"-T")) {
      printf("ZZ\n");
    } else if (!strcmp(buf,"-W")){
      printf("@0+\n");
      break;
    } else if (!strcmp(buf,"-B")){
      break;
    }
  }
  while (1) {
    scanf("%s",buf);
    fprintf(stderr,"%s\n",buf);
    printf("@1+\n");
  }
}