2021-09-11

样例输入
30 3 30
8
0 10
1 5
0 11
2 2
0 6
0 3
3 10
0 3
样例输出
70

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
	int r,y,g;
	int n;
	int ans=0;
	int lu,t;
	cin>>r>>y>>g;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>lu>>t;
		if(lu==0){
			ans+=t;
		}
		else if(lu==1){
			ans+=t;
		}else if(lu==2){
			ans=ans+t+r;
		} 
		else if(lu==3){
			ans=ans;
		}
	}
	cout<<ans;
	return 0;
}