import std.algorithm, std.container, std.conv, std.math, std.range, std.typecons, std.stdio, std.string; import std.regex; void readV(T...)(ref T t){auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(typeof(v));r.popFront;}} void main() { string p; readV(p); auto m = p.matchFirst(r"^(1[345]*[234]|[67]*[78][345]*[234])$"); writeln(m ? "Yes" : "No"); }