int main()
{
	
	int w,a,b,i;
	
	scanf("%d",&w);
	
	for(i=1;i<=12;i++)
	{
		if(i==1)
		{
			a=12+w;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==2)
		{
			a=12+w+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==3)
		{
			a=12+w+31+28;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==4)
		{
			a=12+w+31+28+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==5)
		{
			a=12+w+31+28+31+30;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==6)
		{
			a=12+w+31+28+31+30+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==7)
		{
			a=12+w+31+28+31+30+31+30;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==8)
		{
			a=12+w+31+28+31+30+31+30+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==9)
		{
			a=12+w+31+28+31+30+31+30+31+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==10)
		{
			a=12+w+31+28+31+30+31+30+31+31+30;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==11)
		{
			a=12+w+31+28+31+30+31+30+31+31+30+31;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}
		if(i==12)
		{
			a=12+w+31+28+31+30+31+30+31+31+30+31+30;
			b=a%7;
			if(b==5)
			{
				printf("%d\n",i);
			}
		}


	}
	 
	return 0;
}