import java.io.PrintWriter;
import java.util.*;

public class Main {

    static String br = System.getProperty("line.separator");
    static Scanner sc = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    }

    //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    }

    static int nextInt() {
        return Integer.parseInt(next());
    }

    static Long nextLong() {
        return Long.parseLong(next());
    }

    static String next() {
        return sc.next();
    }

    static String nextLine(){
        return sc.nextLine();
    }

    static void println(Object o) {
        out.println(o);
        out.flush();
    }

    static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    }
} import java.io.PrintWriter; PrintWriter java.io import java.util.*; util.* java public class Main {

    static String br = System.getProperty("line.separator");
    static Scanner sc = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    }

    //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    }

    static int nextInt() {
        return Integer.parseInt(next());
    }

    static Long nextLong() {
        return Long.parseLong(next());
    }

    static String next() {
        return sc.next();
    }

    static String nextLine(){
        return sc.nextLine();
    }

    static void println(Object o) {
        out.println(o);
        out.flush();
    }

    static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    }
} Main static String br = System.getProperty("line.separator"); br System.getProperty("line.separator") System.getProperty System "line.separator" static Scanner sc = new Scanner(System.in); sc new Scanner(System.in) static PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    } main {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    } int P = nextInt(); P nextInt() nextInt int Q = nextInt(); Q nextInt() nextInt int R = nextInt(); R nextInt() nextInt int a = P+Q; a P+Q P Q int b = Math.min(P+R, a); b Math.min(P+R, a) Math.min Math P+R P R a int c = Math.min(Q+R, b); c Math.min(Q+R, b) Math.min Math Q+R Q R b println(c) println c String[] args args //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    } lcm {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    } long temp; temp long c = a; c a c *= b c b while((temp = a%b)!=0) {
            a = b;
            b = temp;
        } (temp = a%b)!=0 (temp = a%b) temp a%b a b 0 {
            a = b;
            b = temp;
        } a = b a b b = temp b temp return (c/b); (c/b) c b long a a long b b static int nextInt() {
        return Integer.parseInt(next());
    } nextInt {
        return Integer.parseInt(next());
    } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next static Long nextLong() {
        return Long.parseLong(next());
    } nextLong {
        return Long.parseLong(next());
    } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next static String next() {
        return sc.next();
    } next {
        return sc.next();
    } return sc.next(); sc.next() sc.next sc static String nextLine(){
        return sc.nextLine();
    } nextLine {
        return sc.nextLine();
    } return sc.nextLine(); sc.nextLine() sc.nextLine sc static void println(Object o) {
        out.println(o);
        out.flush();
    } println {
        out.println(o);
        out.flush();
    } out.println(o) out.println out o out.flush() out.flush out Object o o static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    } print {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    } PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) out.print(o) out.print out o out.flush() out.flush out Object o o public class Main {

    static String br = System.getProperty("line.separator");
    static Scanner sc = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    }

    //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    }

    static int nextInt() {
        return Integer.parseInt(next());
    }

    static Long nextLong() {
        return Long.parseLong(next());
    }

    static String next() {
        return sc.next();
    }

    static String nextLine(){
        return sc.nextLine();
    }

    static void println(Object o) {
        out.println(o);
        out.flush();
    }

    static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    }
} public class Main {

    static String br = System.getProperty("line.separator");
    static Scanner sc = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    }

    //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    }

    static int nextInt() {
        return Integer.parseInt(next());
    }

    static Long nextLong() {
        return Long.parseLong(next());
    }

    static String next() {
        return sc.next();
    }

    static String nextLine(){
        return sc.nextLine();
    }

    static void println(Object o) {
        out.println(o);
        out.flush();
    }

    static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    }
} Main
import java.io.PrintWriter;
import java.util.*;

public class Main {

    static String br = System.getProperty("line.separator");
    static Scanner sc = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        int P = nextInt();
        int Q = nextInt();
        int R = nextInt();

        int a = P+Q;
        int b = Math.min(P+R, a);
        int c = Math.min(Q+R, b);

        println(c);
    }

    //最小公倍数lcm
    static long lcm (long a, long b) {
        long temp;
        long c = a;
        c *= b;
        while((temp = a%b)!=0) {
            a = b;
            b = temp;
        }
        return (c/b);
    }

    static int nextInt() {
        return Integer.parseInt(next());
    }

    static Long nextLong() {
        return Long.parseLong(next());
    }

    static String next() {
        return sc.next();
    }

    static String nextLine(){
        return sc.nextLine();
    }

    static void println(Object o) {
        out.println(o);
        out.flush();
    }

    static void print(Object o) {
        PrintWriter out = new PrintWriter(System.out);
        out.print(o);
        out.flush();
    }
}
