#include <stdio.h>

int main(){
    int a, b, sub;

    scanf("%d %d", &a, &b);
    sub = b - a;
    if(sub > 0){
        printf("+%d\n", sub);
    }else if(sub == 0){
        printf("0\n");
    }else{
        printf("%d\n", sub);
    }

    return 0;
}