import java.util.*;


public class Main {

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    }
}





 import java.util.*; util.* java public class Main {

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    } main {
        Scanner sc = new Scanner(System.in);

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int C = sc.nextInt(); C sc.nextInt() sc.nextInt sc if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        } A == B A B {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            } B == C B C {
                System.out.println("No");
            } System.out.println("No") System.out.println System.out System System.out "No" {
                System.out.println("Yes");
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        } B == C B C {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            } A == B A B {
                System.out.println("No");
            } System.out.println("No") System.out.println System.out System System.out "No" {
                System.out.println("Yes");
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        } A == C A C {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            } B == C B C {
                System.out.println("No");
            } System.out.println("No") System.out.println System.out System System.out "No" {
                System.out.println("Yes");
            } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    }
} public class Main {

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    }
} Main
import java.util.*;


public class Main {

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

        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        if (A == B) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (B == C) {
            if (A == B) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else if (A == C) {
            if (B == C) {
                System.out.println("No");
            } else {
                System.out.println("Yes");
            }
        } else {
            System.out.println("No");
        }

    }
}






