import java.io.*;
class Assignment22{
	static void println(String str){
		System.out.println(str);
	}
	public static void main(String[] args)throws IOException{
		if(args.length < 2){
			println("Invalid number of arguments");
			println("USAGE: java Assignment22 input.txt out1.txt [ out2.txt ... ]");
		}
		else{
			String in_file = args[0];
			// Opening the input file
			RandomAccessFile in = new RandomAccessFile(in_file, "r");
			// Obtaining size of the file
			long n = in.length();
			// Average size of all files excpet
			long n1 = n / (args.length - 1);
			// Size of the last output file
			long n2 = n - (n1 * (args.length - 2));

			// Splitting the files
			for(int i = 1; i < args.length - 1; i++){
				FileOutputStream out = new FileOutputStream(args[i]);
				// Copying the content to output files except the last
				for(int j = 1; j <= n1; j++){
					out.write(in.read());
				}
				out.close();
			}
			// Copying remaining content to last output file
			FileOutputStream out = new FileOutputStream(args[args.length - 1]);
			// Copying the content to output files except the last
			for(int j = 1; j <= n2; j++){
				out.write(in.read());
			}
			out.close();
			in.close();
		}
	}
}