逆天打表

#include<iostream>
#include<cstring>
#include<algorithm>
#define int long long
using namespace std;
const int N=11;
string s,s1="20",s2="20",s3="20";
int a,b,c;
bool d[4];
signed main(){
    int days[13]={-1,31,28,31,30,31,30,31,31,30,31,30,31};
    cin>>s;
    a=(s[0]-'0')*10+(s[1]-'0');
    b=(s[3]-'0')*10+(s[4]-'0');
    c=(s[6]-'0')*10+(s[7]-'0');

    //cout<<a<<' '<<b<<' '<<c<<' '<<endl;
    if((!(a%4==0&&b==2))&&b>0&&b<=12&&c<=days[b]&&c>0){
        if(a<10)s1=s1+'0'+s[1]+'-';
        else s1=s1+s[0]+s[1]+'-';
        if(b<10)s1=s1+'0'+s[4]+'-';
        else s1=s1+s[3]+s[4]+'-';
        if(c<10)s1=s1+'0'+s[7];
        else s1=s1+s[6]+s[7];
    }
    else if(a%4==0&&b==2&&c<=29&&c>0){
        if(a<10)s1=s1+'0'+s[1]+'-';
        else s1=s1+s[0]+s[1]+'-';
        if(b<10)s1=s1+'0'+s[4]+'-';
        else s1=s1+s[3]+s[4]+'-';
        if(c<10)s1=s1+'0'+s[7];
        else s1=s1+s[6]+s[7];
    }//年月日

    if((!(c%4==0&&a==2))&&a<=12&&b<=days[a]&&a>0&&b>0){
        if(c<10)s2=s2+'0'+s[7]+'-';
        else s2=s2+s[6]+s[7]+'-';
        if(a<10)s2=s2+'0'+s[1]+'-';
        else s2=s2+s[0]+s[1]+'-';
        if(b<10)s2=s2+'0'+s[4];
        else s2=s2+s[3]+s[4];
        //cout<<"T"<<endl;
    }
    else if(c%4==0&&a==2&&b<=29&&b>0){
         //cout<<'T'<<endl;
        if(c<10)s2=s2+'0'+s[7]+'-';
        else s2=s2+s[6]+s[7]+'-';
        if(a<10)s2=s2+'0'+s[1]+'-';
        else s2=s2+s[0]+s[1]+'-';
        if(b<10)s2=s2+'0'+s[4];
        else s2=s2+s[3]+s[4];

    }//月日年

    if((!(c%4==0&&b==2))&&b<=12&&a<=days[b]&&a>0&&b>0){
        if(c<10)s3=s3+'0'+s[7]+'-';
        else s3=s3+s[6]+s[7]+'-';
        if(b<10)s3=s3+'0'+s[4]+'-';
        else s3=s3+s[3]+s[4]+'-';
        if(a<10)s3=s3+'0'+s[1];
        else s3=s3+s[0]+s[1];
    }
    else if(c%4==0&&b==2&&c<=29&&c>0){
        if(c<10)s3=s3+'0'+s[7]+'-';
        else s3=s3+s[6]+s[7]+'-';
        if(b<10)s3=s3+'0'+s[4]+'-';
        else s3=s3+s[3]+s[4]+'-';
        if(a<10)s3=s3+'0'+s[1];
        else s3=s3+s[0]+s[1];
    }//日月年
    //cout<<s1<<endl;
    //cout<<s2<<endl;
    //cout<<s3<<endl;
    if(s1==s2&&s1==s3)s2="20",s3="20";
    if(s1==s2&&s1!=s3&&s2!=s3)s2="20";
    if(s1==s3&&s1!=s2)s3="20";
    if(s2==s3&&s1!=s2)s3="20";
    if(s1>s2)swap(s1,s2);
    if(s2>s3)swap(s2,s3);
    if(s1>s2)swap(s1,s2);
    //cout<<s1<<endl<<s2<<endl<<s3<<endl;
    if(a>=60||b>=60||c>=60){
        s1[0]='1',s1[1]='9';
        s2[0]='1',s2[1]='9';
        s3[0]='1',s3[1]='9';
    }
    if(s1!="20"&&s1!="19")cout<<s1<<endl;
    if(s2!="20"&&s2!="19")cout<<s2<<endl;
    if(s3!="20"&&s3!="19")cout<<s3<<endl;

    return 0;

}