Mahasiswa Ambis

import java.util.*;

public class Solution {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        //System.out.println("0  1  2");
        String mk = in.nextLine();
        //System.out.println("-------------");

        String[] token = mk.split(" ");
        int[] soal = new int[token.length];

        for(int i = 0; i < token.length; i++){
            soal[i] = Integer.parseInt(token[i]);
        }
        int hari = 0;
        while((soal[0] > 0 && soal[2] > 0) || (soal[1] > 0 && soal[2] > 0)){
            if(soal[0] > 0 && soal[2] > 0 && (soal[0] > soal[1] || soal[0] == soal[1])){
                soal[0] -= 1;
                soal[2] -= 1;
                hari++;
                //System.out.printf("hari ditambah dari 02 sisa %d %d %d\n", soal[0], soal[1], soal[2]);
            }
            if(soal[1] > 0 && soal[2] > 0 && (soal[0] < soal[1] || soal[0] == soal[1])){
                soal[1] -= 1;
                soal[2] -= 1;
                hari++;
                //System.out.printf("hari ditambah dari 12 sisa %d %d %d\n", soal[0], soal[1], soal[2]);
            }
            //System.out.println("loop ");
        }
        while(soal[0] > 0 && soal[1] > 0){
            if(soal[0] > 0 && soal[1] > 0){
                soal[0] -= 1;
                soal[1] -= 1;
                hari++;
                //System.out.printf("hari ditambah dari 01 sisa %d %d %d\n", soal[0], soal[1], soal[2]);
            }
        }
        System.out.println(hari);
    }
}