#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
int main(void)
{
    int beforerating,afterrating,dif=0;
    scanf("%d %d",&beforerating,&afterrating);
    dif=afterrating-beforerating;
    if(dif>0)
    {
        printf("+%d",dif);
    }
    else
    {
        printf("%d",dif);
    }
    
}