read n
read a
read B
read c
read D
for i in $B;{ y[i]+=\ $[i=101-i];};B=(${y[@]})
for i in $D;{ z[i]+=\ $i;};D=(${z[@]})
for((;n--;)){
	eval v={b,d}';eval "((n$v))||$v=(\${${v^}[@]});n$v=\${#$v[@]}";'
	((r+=b+d<101,nb--<nd--))&&u=b v=d||u=d v=b
	for((j=n$v,i=0;x=$v[i];j[u+x>100]=i++)){ :;}
	eval "$v=(\${$v[@]::j} \${$v[@]:j+1}) $u=(\${$u[@]:1})"
}
echo $r