90 pts 求调，玄关

#include<bits/stdc++.h>
using namespace std;

int m,s,t,st,ans;
int main()
{
	cin>>m>>s>>t;
	st=s;
	while(s>0&&ans<t)
	{
		if(m>=10) m-=10,s-=60,ans++;
		else
		{
			if(m>=6)
			{
				if(s<=17||t-ans<=1) s-=17,ans++;
				else m-=6,s-=60,ans+=2;
			} 
			else if(m>=2)
			{
				if(s<=17||t-ans<=1) s-=17,ans++;
				else if(s<=34||t-ans<=2) s-=34,ans+=2;
				else m-=2,s-=60,ans+=3;
			} 
			else
			{
				if(s<=17||t-ans<=1) s-=17,ans++;
				else if(s<=34||t-ans<=2) s-=34,ans+=2;
				else if(s<=51||t-ans<=3) s-=51,ans+=3;
				else m+=2,s-=60,ans+=4;
			}
		}
	}
	if(s>0) printf("NO\n%d",st-s);
	else printf("YES\n%d",ans);
	return 0;
 }