In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.

Input: Consider Input: passage: The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons.
 question: is the proton number the same as the atomic number?

Output: Yes


Input: Consider Input: passage: Reserve teams in Spain play in the same league system as the senior team, rather than in a reserve team league. They must play at least one level below their main side, and thus Barcelona B are ineligible for promotion to La Liga. They also cannot play in the Copa del Rey.
 question: could barcelona b be promoted to la liga?

Output: No


Input: Consider Input: passage: One often writes G = ( U , V , E ) (\displaystyle G=(U,V,E)) to denote a bipartite graph whose partition has the parts U (\displaystyle U) and V (\displaystyle V) , with E (\displaystyle E) denoting the edges of the graph. If a bipartite graph is not connected, it may have more than one bipartition; in this case, the ( U , V , E ) (\displaystyle (U,V,E)) notation is helpful in specifying one particular bipartition that may be of importance in an application. If U = V (\displaystyle U = V ) , that is, if the two subsets have equal cardinality, then G (\displaystyle G) is called a balanced bipartite graph. If all vertices on the same side of the bipartition have the same degree, then G (\displaystyle G) is called biregular.
 question: does a bipartite graph have to be connected?


Output: No