#include<stack>
#include<iostream>
#include<conio.h>
using namespace std;
int getPriority(char op)
{
    switch (op)
    {
        case '(': return -1;
        case '*':
		case '/': return 1;
        case '+':
		case '-': return 2;
    }
}

template<class T>
void printStack(stack<T> s)
{
	stack<T> buf;
	while(s.size() != 0)
	{
		buf.push(s.top());
		s.pop();
	}
	while(buf.size() != 0)
	{
		cout << buf.top()<<" ";
		buf.pop();
	}
	cout << endl;
}
int main()
{
	stack<char> znak;
	stack<int> nums;
	int a = 0;char ch;
	while((ch = getchar()) != '\n')
	{
		if(ch == '+' || ch == '-' || ch == '*' || ch == '/') znak.push(ch);
		else if(ch >= '0' && ch <='9')
		{
			a = a*10 + ch-'0';
		}
		else if(a != 0) {nums.push(a);a = 0;}
	}
	printStack(nums);
	printStack(znak);

	return 0;
}