#include<stack>

#include<iostream>

#include<string>

using namespace std;

//优先级判断

char compare(char opt, char si)

{

	if((opt=='+'||opt=='-')&&(si=='*'||si=='/')

		return '<';

	else if(opt=='#')

		return '<';

	return '>';

}

//判断是否为运算符

bool isOp(char c)

{

	if(c=='+'||c=='-'||c=='*'||c=='/')

		return true;

	return false;

}

int main()

{

	stack<char>op;

	stack<char>num;

	op.push('#');

	num.push('#');

	string s;

	cin>>s;

	for(int i=0;i<s.size();i++)

	{

		if(!isOp(s[i]))

			num.push(s[i]);

		else

		{

			char c=compare(op.top(),s[i]);

			if(c=='<')

				op.push(s[i]);

			else

			{

				num.push(op.top());

				op.pop();

				op.push(s[i]);

			}

		}

	}

	while(op.top()!='#')

	{

		num.push(op.top());

		op.pop();

	}

    string s1="";

    while(num.top!='#')

    {

	     s1=s1+num.top();

		 num.pop();

    }	

     for(int i=0;i<s1.size()/2;i++)

	 {

		 char temp=s1[i];

		 s1[i]=s1[s1.size()-1-i];

		 s1[s1.size()-1-i]=temp;

	 }		 

     cout<<s1<<endl;	 

     return 0;

}