#include<bits/stdc++.h>
using namespace std;

int md=10000;
string a;
int np,n[110086];
char y;

int main () {
    
    freopen("expr2013.in","r",stdin);
    freopen("expr2013.out","w",stdout);
    
    cin>>a;
    
    for(int i = 0; i<a.size(); i++){
        
        int x=0;
        if(a[i]>='0'&&a[i]<='9'){
            while(a[i]>='0'&&a[i]<='9'){
            x=x*10+(a[i]-'0');
            i++;
            }
            i--;
            n[np++]=x%md;
            if(y=='*'&&np>=2){
            int a=n[np-1],b=n[np-2];
            np-=2;
            n[np++]=(a*b)%md;
            }
        }
        else y=a[i];
    }
    int cc=0;
    for(int i = 0; i<np; i++){
        cc+=n[i];
    }
    cout<<cc;
    
    return 0;
}