#include <iostream>
using namespace std;
 
int jantan[4] = {0, 10, 50, 60};
int betina[4] = {7, 80, 9, 40};
 
int selisih(int a, int b) {
    if (a > b) {
        return a - b;
    } else {
        return b - a;
    }
}
 
int denda_pada_hari(int hari) {
    return 1000 * selisih(jantan[hari], betina[hari]);
}
 
int total_denda() {
    int total = 0;
    for (int i = 0; i < 4; i++) {
        total += denda_pada_hari(i);
    }
    return total;
}
 
int main() {
    cout << total_denda() << endl;
}
 

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