#define _CRT_SECURE_NO_WARNINGS #include #include #include #include #include #include #include #include #include #include #include #include #include //#include "util.h" using namespace std; typedef long long lint; typedef pair Pii; #define PI 3.14159265358979323846 #define EPS 1e-6 #define MOD ((lint)1000000007) #define MIN(a,b) ((a)<(b)?(a):(b)) #define MAX(a,b) ((a)>(b)?(a):(b)) #define CHAR_BIT 8 /* template ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { cout << "{ }"; return ostr; } cout << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; } */ int main() { //clock_t start, end; //start = clock(); int A, B; cin >> A >> B; cout << -(-A - B) << endl; //end = clock(); //printf("%d msec.\n", end - start); return 0; }