/*
int main(){
int a,b;
scanf("%d %d",&a, &b);
int result = 0;
for(int i = a; i <= b; i++){
if(i%2 == 0){
printf("-%d",i);
result -= i;
}
else{
if(i == a){printf("%d",i);}
else{printf("+%d",i);}
result += i;
}
}
if(result>0){printf("=+%d",result);}
else{printf("=%d",result);}
return 0;
}
*/