integer::N,M,i,j,k,c
integer,allocatable,dimension(:,:)::a
integer,allocatable,dimension(:)::b

read *,N,M
allocate(a(M,N),b(N))
do i=1,M
 read *,a(i,:)
end do
b=0

do i=1,M
 do j=1,N
  if(j==1) then
   do k=1,N
    b(k)=b(k)+a(i,k)
   end do
  end if
   c=sum(b(1:j))
  do k=1,N-j+1
   if(c==777) then
    print *,'YES'
    stop
   end if
   c=c-b(k)+b(k+j)
  end do
 end do
end do

 print *,'NO'

end