Solution.cs

using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Collections;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text.RegularExpressions;
using System.Text;
using System;

class Solution {

    // Complete the libraryFine function below.
    static int libraryFine(int d1, int m1, int y1, int d2, int m2, int y2) {
        if(y1 > y2)
            return 10000;
        if(y2 > y1)
            return 0;

        if(m1 > m2)
            return (m1-m2)*500;
        if(m2 > m1)
            return 0;
            
        if(d1 > d2)
            return (d1-d2)*15;
        return 0;
    }

    static void Main(string[] args) {
        TextWriter textWriter = new StreamWriter(@System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true);

        string[] d1M1Y1 = Console.ReadLine().Split(' ');

        int d1 = Convert.ToInt32(d1M1Y1[0]);

        int m1 = Convert.ToInt32(d1M1Y1[1]);

        int y1 = Convert.ToInt32(d1M1Y1[2]);

        string[] d2M2Y2 = Console.ReadLine().Split(' ');

        int d2 = Convert.ToInt32(d2M2Y2[0]);

        int m2 = Convert.ToInt32(d2M2Y2[1]);

        int y2 = Convert.ToInt32(d2M2Y2[2]);

        int result = libraryFine(d1, m1, y1, d2, m2, y2);

        textWriter.WriteLine(result);

        textWriter.Flush();
        textWriter.Close();
    }
}