#include<iostream>
using namespace std;
int main(){
	int a,b,c,d,sum;
	cin>>a>>b;
	if(a>0){
		a==c;
	}else{
		-a==c;
	}
	if(b>0){
		b==d;
	}else{
		-b==d;
	}
	sum=c+d;
	cout<<sum;
	return 0;
}