export {};

const str = require("fs").readFileSync(0,'utf8').toString().trim();

let op: string[] = []
let result: string = '';

const peek = (arr: string[]): string => arr[arr.length-1];
const opPriority = (op: string): number => {
    if(op === '+' || op === '-') return 1;
    else if(op === '*' || op === '/') return 2;
    else return 0;
};

for(let c of str) {
    if('A'<= c && c<='Z') result += c;
    else {
        if(c === '(') op.push(c);
        else if(c === ')') {
            while(op.length !== 0 && peek(op) != '(') {
                result += op.pop();
            }
            if(op.length !== 0) op.pop();
        }
        else {
            while(op.length !== 0 && opPriority(peek(op)) >= opPriority(c)) {
                result += op.pop();
            }
            op.push(c);
        }
    }
}

while(op.length !== 0) result += op.pop();

console.log(result);