/* if文と変数maxを使い，if-else文を使わずに3変数の最大値を出力する */
import java.io.*;
class Foo {
    public static void main (String[] args) throws IOException {
    	BufferedReader br = new BufferedReader(
                          new InputStreamReader(System.in));
    	int a = Integer.parseInt(br.readLine());
    	int b = Integer.parseInt(br.readLine());
    	int c = Integer.parseInt(br.readLine());

	int max = a;
	if (b>max) max=b;
	if (c>max) max=c;
    	System.out.println(max);
    }
}