#include <iostream>
#include <stack>
#include <string>

using namespace std;

int main() {
    string inputString;
    string outputString = "";
    stack <char> operators;
    bool flag = false;

    cin >> inputString;

    for (int i = 0; i < inputString.length(); i++) {
        if (inputString[i] == '(')
            operators.push('(');
        else if (inputString[i] == ')') {
            while (operators.top() != '(') {
                outputString += operators.top();
                outputString += " ";
                operators.pop();
            }
            operators.pop();
        }
        else if (inputString[i] != '+' && inputString[i] != '-' && inputString[i] != '*' &&
             inputString[i] != '/' && inputString[i] != '^') {

            string temp = "";

            while (inputString[i] != '+' && inputString[i] != '-' && inputString[i] != '*' &&
                   inputString[i] != '/' && inputString[i] != '^' && inputString[i] != ')' &&
                   inputString[i] != '(') {

                temp += inputString[i];
                if (i+1 != inputString.length())
                    i++;
                else {
                    flag = true;
                    break;
                }
            }

            i--;

            outputString += temp + " ";
            if (flag == true)
                break;
        } else {
            if ((!operators.empty()) && ((((inputString[i] == '+' || inputString[i] == '-') &&
               (operators.top() != '('))) || ((operators.top() != '+' && operators.top() != '-') && operators.top() != '('))) {
                outputString += operators.top();
                outputString += " ";
                operators.pop();
                operators.push(inputString[i]);

            } else {
                operators.push(inputString[i]);
            }
            }
    }
    while (!operators.empty()) {
        outputString += operators.top();
        outputString += " ";
        operators.pop();
    }
    cout << outputString;
}