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