Check if there exists a prime number which gives Y after being repeatedly subtracted from X | Function that returns true if any prime number satisfies the given conditions ; No such prime exists ; Driver code
def isPossible ( x , y ) : NEW_LINE INDENT if ( ( x - y ) == 1 ) : NEW_LINE INDENT return False NEW_LINE DEDENT return True NEW_LINE DEDENT x = 100 NEW_LINE y = 98 NEW_LINE if ( isPossible ( x , y ) ) : NEW_LINE INDENT print ( " Yes " ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( " No " ) NEW_LINE DEDENT