#include<iostream>
#include<string>
#include "StackType.h"
using namespace std;

int Precedence(char op);
string Postfix(string infix);

int main()
{
	string infix;
	getline(cin, infix);
	cout << Postfix(infix) << endl;

	return 0;
}

string Postfix(string infix)
{
	StackType<char> stack;
	string postfix;
	int i=0;
	char token,popped;
	bool done;
	token = infix[0];
		while(token!='=')
		{
				if(token>='0' && token <='9')
					postfix+=token;
				if(token==')')
				{
					popped=stack.Top();
					stack.Pop();
					while(popped!='(')
					{
						postfix+=popped;
						popped=stack.Top();
						stack.Pop();
					}
				}
				if(token=='+' || token=='-' || token=='*' || token=='/' || token=='(' || token=='=')
				{
					if(token!='(')
					{
						done=false;
						while(!stack.IsEmpty() && !done)
							if(Precedence(stack.Top())>=Precedence(token))
							{
								postfix+=stack.Top();
								stack.Pop();
							}else
								done=true;
					}
					stack.Push(token);
				}


				i++;
				token=infix[i];


		}
		while(!stack.IsEmpty())
		{
		postfix+=stack.Top();
		stack.Pop();
		}
	return postfix;
}

int Precedence(char op)
{
	switch(op)
	{
		case '/': return 3;
		case '*': return 3;
		case '+': return 2;
		case '-': return 2;
		case '(': return 0;
		default: return 1;
	}
}