#include <stdio.h>
#include <stdlib.h>

int main(void){
    int a,b;
    
    scanf("%d",&a,&b);
    if(a < b){
        printf("+%d",abs(a-b));
    }else if(a > b){
        printf("-%d",abs(a-b));
    }else if(a == 0){
        printf("0");
    }
}