#include <iostream>
using namespace std;
int main() {
   int m,x,n,a[105]={0},mx,b;
   cin>>m>>x>>n;
   for(int i=0;i<n;i++){
		cin>>a[i];
   } 
   mx=a[0];
   for(int i=1;i<n;i++){
   		if(mx<a[i]){
		   mx=a[i];
		   b=i;
		   }
   }
   cout<<b+1<<" "<<(mx-x)*m;
}
/**************************************************************
	Problem: 1814
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/