import sys

def input():
    return sys.stdin.readline().strip()


def main():
    n=int(input())
    z = 0
    for i in range(n):
        z += input().count('#')
    if z % 2 == 0 or n % 2 == 1:
        print("Yes")
    else:
        print("No")

if __name__ == "__main__":
    main()