#include <iostream>
#include <map>
using namespace std;
int main(){
	freopen("P2786_2.in","r",stdin); 
	map<string,long long> m;
	long long n,p;
	cin >> n >> p;
	for(long long i = 1;i <= n;i++){
		string name;
		int hjl;
		cin >> name >> hjl;
		m[name] = hjl;
	}
	long long t= 0;
	string x;
	while(cin >> x){
		string f = "";
		for(long long i = 0;i < x.size();i++)
		   if((x[i] >= 'a' && x[i] <= 'z') || (x[i] >= '0' && x[i] <= '9') || (x[i] >= 'A' && x[i] <= 'Z')) 
		      f += x[i];
		t += m[f];
	}
	cout << t % p;
	return 0;
} 

求大佬给一组 $hack$ 数据或帮我 $Debug$ ,谢谢