def main():
    a, b, c = map(int, input().split())
    d, e, f = map(int, input().split())
    
    if a == d and b == e and c == f:
        print('Yes')
        print('1 A')
        print('1 A')
    elif sorted((a, b, c)) == sorted((d, e, f)):
        print('Yes')
        print('2')
    else:
        print('No')
    return

if __name__ == '__main__':
    main()