class Solver{
    public:
        string main_result;
        bool completed = false;
        void compute(vector<int>arr,int sum,string result){
            int cp_sum = sum;
            if(sum==0){
                int n = arr.at(0);
                arr.erase(arr.begin());
                compute(arr,n,result+to_string(n));
                return;
            }
            if(arr.size() == 0){
                if(sum%101==0){
                    main_result = result;
                    completed = true;
                   // cout<<main_result.length()<<endl;
                    cout<<sum<<endl;
                    return;
                }
                return;
            }
            for(int i = 1;i<=3 && completed == false;i++){
                int n = arr.at(0);
                if(i == 1){
                    //sum+=n;
                    arr.erase(arr.begin());
                    compute(arr,sum+n,result+ "+" + to_string(n));
                }
                if(i == 2){
                    //sum-= n;
                    arr.erase(arr.begin());
                    compute(arr,sum-n,result+ "-" + to_string(n));
                }
                if(i == 3){
                    //sum*=n;
                    arr.erase(arr.begin());
                    compute(arr,sum*n,result+ "*" + to_string(n));
                }
                arr.insert(arr.begin(),n);
               // sum = cp_sum;
                
            }
            
        }
};
string arithmeticExpressions(vector<int> arr) {
    Solver obj;
    obj.compute(arr, 0, "");
    string ans = obj.main_result;
		
    
    return ans;
}