#include<iostream>
#include<cstring>
using namespace std;
int main(){
char v[101];
int s=0,x=0,y=1,p=1,i,n;
while(!cin.eof()){
	cin.get(v,101);
	cin.get();
	if(v[0]=='u')	p=9;
	else			p=0;
	switch(v[p]){
	case 'i': p=4;	break;
	case 's': p=2;	break;
	case 'c': p=1;	break;
	}
	n=strlen(v);
	for(i=4;i<=n;i++){
		if(v[i]=='['){
			while(v[++i]!=']')
				x=x*10+(v[i]-'0');
			y*=x;
			x=0;
		}
		if(v[i]==',' || v[i]=='\n' || v[i]==0){
			s+=y;
			y=1;
		}
		s*=p;
	}
	cout<<s<<"\n";
	s=0;
	
}







return 0;
}