n,m=gets.split.map{|e| e.to_i} x=(n+1).times.map{0} ans="NO" m.times{ sum=0 y=gets.split.map{|e| e.to_i} z=(n+1).times.map{0} (1..n).each{|i| x[i]+=y[i-1] sum+=x[i] z[i]=sum } if sum<777 next end p2=0 (1..n).each{|i| while i>p2 break if(z[i]-z[p2])<777 if z[i]-z[p2+1]<777 break end p2+=1 end ans="YES" if z[i]-z[p2]==777 } } puts ans