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