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