为神马

WA on #6 #9 #11 ....

#include<bits/stdc++.h>
using namespace std;
int a,b,ans=0;
int main(){
	scanf("%d-%d",&a,&b);
	if(a>12) a=a%10,ans++;
	if((a==1||a==3||a==5||a==7||a==8||a==10||a==12)&&b>31) cout<<ans+1<<endl;
	else if((a==4||a==6||a==9||a==11)&&b>30) cout<<ans+1<<endl;
	else if(a==2&&b>28) cout<<ans+1<<endl;
	else cout<<ans<<endl;
	return 0;
}