#include <iostream> #include <cstdio> #include <queue> using namespace std; int main() { int n; char c; long long a[100000],asize=0,bsize=0; char b[100000]; while (cin>>n>>c){ if(bsize&&b[bsize-1]=='*'){ a[asize-1]*=n; a[asize-1]%=10000; }else{ a[asize]=n; b[bsize]=c; asize++; bsize++; } } while (asize>=2){ a[asize-2]+=a[asize-1]; a[asize-2]%=10000; asize--; } cout<<a[0]<<endl; return 0; }