import numpy as np
f=open(0)
N,M,L=map(int,f.readline().split())
A=np.loadtxt(f,max_rows=L,ndmin=2)
B=np.loadtxt(f,max_rows=M,ndmin=2)
print("No"if(A@B).any()or M!=np.linalg.matrix_rank(A)+np.linalg.matrix_rank(B)else"Yes")