#include using namespace std; #define REP(i,n) for(int i=0;i ostream& operator<<(ostream& os,const vector& vec){ os << "["; for(const auto& v : vec){ os << v << ","; } os << "]"; return os; } const long long mod = 1e9+7; typedef long long ll; typedef unsigned long long ull; typedef pair pii; typedef vector vi; typedef vector vvi; typedef vector vll; typedef vector vvll; int main(){ int a,b; cin >> a >> b; int dif = b-a; if(dif==0){ cout << 0 << endl; }else if(dif<0){ cout << "-" << abs(dif) << endl; }else{ cout << "+" << dif << endl; } }