#include <stdio.h>
int main(){
  int p1,p2;
  scanf("%d %d\n",&p1,&p2);
  if(p1==p2)puts("0");
  if(p1<p2)printf("+%d\n", p2-p1);
  if(p1>p2)printf("%d\n", p2-p1);
  return 0;
}