#include <iostream>
#include <set>
#include <queue>
#include <vector>
using namespace std;

long long get(string S){
	long long sign = 1;
	long long ret = 0;
	
	while(S[0]=='-'){
		sign*=-1;
		S.erase(S.begin());
	}
	
	ret = stoll(S);
	ret*=sign;
	
	return ret;
}

int main() {

	string S,T;
	cin>>S>>T;
	
	cout<<get(S)+get(T)<<endl;

    return 0;


}