#include<bits/stdc++.h>
using namespace std;
int main(){
    //freopen("running.in", "r", stdin);
    //freopen("running.out", "w", stdout); 
    int n, x, sum = 0, sum2 = 0;
    cin>>n>>x;
    for(int i = 1; i <= n; i++){
        int a;
        cin>>a;
        sum += a;
    }
    for(int i = 1; i <= n; i++){
        int a;
        cin>>a;
        sum2 += a;
    }
    if((sum - sum2) * x < 10000){
       cout<<(sum - sum2) * x; 
    }else{
        cout<<"2 hard 4 me";
    }
}