错T13、14、17、18、19、20、21

#include<bits/stdc++.h>
using namespace std;
map<string,int >mp;
int n;
void solve(string a,string s,int idx){
	int cnt=0;
	long long tmp=0;
	for(int i=0;i<s.length();i++){
		if(s[i]=='.'){
			if(i==0){
				cout<<"ERR"<<endl;
				return;
			}
			if(s[i-1]=='.'||s[i-1]==':'){
				cout<<"ERR"<<endl;
				return;
			}
			if(tmp>255){
				cout<<"ERR"<<endl;
				return;
			}
			if(cnt>=3){
				cout<<"ERR"<<endl;
				return;
			}
			cnt++;tmp=0;
			continue;
		}
		if(s[i]==':'){
			if(i==0){
				cout<<"ERR"<<endl;
				return;
			}
			if(s[i-1]=='.'||s[i-1]==':'){
				cout<<"ERR"<<endl;
				return;
			}
			if(cnt!=3){
				cout<<"ERR"<<endl;
				return;
			}
			if(tmp>255){
				cout<<"ERR"<<endl;
				return;
			}
			tmp=0;
			continue;
		}
		if((s[i]-'0'>10||s[i]-'0'<0)&&s[i]!='.'&&s[i]!=':'){
			cout<<"ERR"<<endl;
			return;
		}		
		if(tmp==0&&s[i]-'0'==0&&s[i+1]!='.'&&s[i+1]!=':'){
			cout<<"ERR"<<endl;
			return;
		}
		if(tmp>65535){
			cout<<"ERR"<<endl;
			return;
		}
		tmp=tmp*10+s[i]-'0';
	}
	if(tmp>65535){
		cout<<"ERR"<<endl;
		return;
	}
	if(a[0]=='S'){
		if(mp[s]){
			cout<<"FAIL"<<endl;
		}else{
			mp[s]=idx;
			cout<<"OK"<<endl;
		}
	}else{
		if(mp[s]){
			cout<<mp[s]<<endl;
		}else{
			cout<<"FAIL"<<endl;
		}
	}
}
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++){
		string a,b;
		cin>>a>>b;
		solve(a,b,i);
	}
	return 0;
}

T13 本地测试能过