#include <stdio.h>

typedef struct {
  int before;
  int after;
} scoreInfo;

void print_result(scoreInfo *p);

int main(void)
{
  scoreInfo data;

  scanf("%d %d", &data.before, &data.after);
  print_result(&data);

  return 0;
}

void print_result(scoreInfo *data)
{
  if (data->before < data->after) {
    printf("+%d\n", (data->after - data->before));
  } else if (data->before > data->after) {
    printf("-%d\n", (data->before - data->after));
  } else {
    printf("0\n");
  }
}