import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int P = scanner.nextInt();
		int Q = scanner.nextInt();
		int R = scanner.nextInt();
		
		int x = P + Q;
		int y = Q + R;
		int z = R + P;
		
		int min = x;
		
		int[] data = { x, y, z};
        // 最小値を求める
        for(int i = 0; i < data.length; i++)
                min = Math.min(min,data[i]);
        System.out.println(min);
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz