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