def main():
    a,b,c = map(int, input().split())
    if a == b != c or a != b == c or a == c != b:
        print('Yes')
    else:
        print('No')


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


if __name__ == "__main__":
    main()
