var m,s,t,ti:longint; ms:array[1..2,0..300000] of longint; ts:array[0..300000] of longint; begin assign(input,'escape.in'); reset(input); assign(output,'escape.out'); rewrite(output); readln(m,s,t); ms[2,0]:=m; ts[0]:=0; for ti:=1 to t do {动态规划} begin if ms[2,ti-1]>=10 then {如果能使用闪烁,就是用} begin ms[1,ti]:=ms[1,ti-1]+60; ms[2,ti]:=ms[2,ti-1]-10; end else begin ms[1,ti]:=ms[1,ti-1]; {恢复魔法值} ms[2,ti]:=ms[2,ti-1]+4; end; if ts[ti-1]+17>ms[1,ti] then ts[ti]:=ts[ti-1]+17 else ts[ti]:=ms[1,ti]; {找出大的值} if ts[ti]>=s then {如果顺利逃出,输出结果} begin writeln('Yes'); writeln(ti); close(output); halt; end; end; writeln('No'); {无法逃出,输出结果} writeln(ts[t]); close(output); end.