#include<iostream>

#include<cstring>

#include<cstdio>

#include<stack>

using namespace std;

/*************

 *计算

*************/

int operate(int a, char op, int b ){

    if(op == '+') return a+b;

    else if(op == '-') return a-b;

    else if(op == '*') return a*b;

    else if(op == '/') return a/b;

}

/**************

 *比較优先级

**************/

char precede(char a, char b){

    if(a=='+' || a=='-'){

        if(b=='*' || b=='/' || b=='(') return '<';

        else if(b==')' || b=='+'

                || b=='-' || b=='#') return '>';

    }

    else if(a=='*' || a=='/'){

        if(b=='(') return '<';

        else if(b=='+' || b=='-' || b=='*'

                || b=='/' || b==')' || b=='#') return '>';

    }

    else if(a=='('){

        if(b=='+' || b=='-' || b=='*'

           || b=='/' || b=='(') return '<';

        else if(b==')') return '=';

    }

    else if(a==')'){

        if(b=='+' || b=='-' || b=='*'

           || b=='/' || b=='#' || b==')') return '>';

    }

    else if(a=='#'){

        if(b=='+' || b=='-' || b=='*' ||

           b=='/' || b=='#' || b=='(') return '<';

    }

}

/**********************

 *推断是否为数字字符

**********************/

bool judge(char a){

    if(a>='0' && a<='9')return true;

    else return false;

}

/***************

 *Main函数

***************/

int main()

{

    stack<int>op_n;

    stack<char>op_s;

    char str, ans;

    int num = 0;

    bool flag = false;

    op_s.push('#');

    cin >> str;

    while(str!='#' || op_s.top()!='#'){

        if(judge(str)){

            flag = true;

            num = num*10 + (str-'0');   /*处理多位数数据*/

            cin >> str;

        }else{

            if(flag){

                flag = false;

                op_n.push(num);

                num = 0;

            }

            ans = precede(op_s.top(), str);

            if(ans == '<'){

                op_s.push(str);

                cin>>str;

            }

            if(ans == '='){

                op_s.pop();

                cin >> str;

            }

            if(ans == '>'){

                int a;int b;char c;

                b = op_n.top();op_n.pop();

                a = op_n.top();op_n.pop();

                c = op_s.top();op_s.pop();

                cout << a << ' ' << c

                << ' ' << b << endl;

                op_n.push( operate(a, c, b) );

            }

        }

    }

    cout << op_n.top() << endl;

    return 0;

}