#include <stdio.h>
#include <string.h>
#include <stdlib.h>

struct Stack{
	char Operator;
	int LevelOperator;
	struct Stack *prev;
	struct Stack *next;
}*head, *tail, *curr;

char InputString[150];
char OutputString[150];
int OutIdx = 0;

int CheckLevel(char s){
	if(s == '^') return 1;
	else if(s == '*' || s == '/') return 2;
	else if(s == '+' || s == '-') return 3;

	return -1;
}

void Push(char Op){
	curr = (struct Stack*) malloc(sizeof(struct Stack));
	curr->Operator = Op;
	if(CheckLevel(Op) != -1) curr->LevelOperator = CheckLevel(Op);

	if(head == NULL){
		head = tail = curr;
		head->prev = NULL;
		tail->next = NULL;
	}else{
		tail->next = curr;
		curr->prev = tail;
		curr->next = NULL;
		tail = curr;
	}
}

void Pop(){
	if(head == NULL) return;

	if(head == tail){
		free(head);
		head = tail = NULL;
	}else{
		curr = tail->prev;
		curr->next = NULL;
		free(tail);
	}
}

void PopToOut(char s){
	int LevelNow = CheckLevel(s);

//	if(head == tail){
//		OutputString[OutIdx++] = curr->Operator;
//		Pop();
//		return;
//	}

	curr = tail;
	while(curr != NULL){
		if(head == tail && tail->LevelOperator <= LevelNow){
			OutputString[OutIdx++] = tail->Operator;
			Pop();
			break;
			// 3 <= 2
		}else if(curr->LevelOperator <= LevelNow){
			OutputString[OutIdx++] = curr->Operator;
			Pop();
		}else{

		}
		curr = curr->prev;
	}
	Push(s);
}

void MoveOut(char s){
	OutputString[OutIdx] = s;
	OutIdx++;
}

void Postfix(){

	for(int a=0; a<strlen(InputString) ; a++){
		printf("%d %s\n", a, OutputString);

		if(a == 0 ){
			MoveOut(InputString[a]);
			continue;
		}

		if(head == NULL){
			if(a == 6) printf("test 6 null\n");
			Push(InputString[a]);
		}else if(InputString[a] == '^'){
			if(a == 6) printf("test 6 ^\n");
			if(tail->LevelOperator >= 1){
				PopToOut(InputString[a]);
			}
		}else if(InputString[a] == '*' || InputString[a] == '/'){
			if(a == 6) printf("test 6 */\n");
			if(tail->LevelOperator > 2) Push(InputString[a]);
			else if(tail->LevelOperator <= 2){
				PopToOut(InputString[a]);
			}
		}else if(InputString[a] == '+' || InputString[a] == '-'){
			if(a == 6) printf("test 6 else +-\n");
			if(tail->LevelOperator <= 3){
				PopToOut(InputString[a]);
			}
		}else{
			if(a == 6) printf("test 6 else\n");
			MoveOut(InputString[a]);
		}
	}

	if(head == tail){
		printf("test 6 print tail\n");
		OutputString[OutIdx++] = tail->Operator;
	}else{
		printf("test 6print else\n");
		if(tail != NULL){
			curr = tail;
			while(curr != NULL){
				OutputString[OutIdx++] = curr->Operator;
				curr = curr->prev;
			}
		}
	}


}

int main(){

	scanf("%s", InputString);
	Postfix();
	printf("%s\n", OutputString);

	return 0;
}