def main():
    a,b,c = map(int,input().split())
    if a == b and b==c :
        print("No")
        return
    if a != b and b != c and a != c:
        print("No")
        return
    print("Yes")
    return

if __name__ == "__main__":
    main() def main():
    a,b,c = map(int,input().split())
    if a == b and b==c :
        print("No")
        return
    if a != b and b != c and a != c:
        print("No")
        return
    print("Yes")
    return main a,b,c = map(int,input().split()) a map(int,input().split()) map int input().split() ().split () input split b c if a == b and b==c :
        print("No")
        return
     a == b and b==c a == b a b b==c b c print("No") print "No" return if a != b and b != c and a != c:
        print("No")
        return
     a != b and b != c and a != c a != b and b != c a != b a b b != c b c a != c a c print("No") print "No" return print("Yes") print "Yes" return if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    a,b,c = map(int,input().split())
    if a == b and b==c :
        print("No")
        return
    if a != b and b != c and a != c:
        print("No")
        return
    print("Yes")
    return def main():
    a,b,c = map(int,input().split())
    if a == b and b==c :
        print("No")
        return
    if a != b and b != c and a != c:
        print("No")
        return
    print("Yes")
    return main
def main():
    a,b,c = map(int,input().split())
    if a == b and b==c :
        print("No")
        return
    if a != b and b != c and a != c:
        print("No")
        return
    print("Yes")
    return

if __name__ == "__main__":
    main()