#include<iostream>#include<string>using namespace std;class My_Date{public:    My_Date(const string &s);    unsigned year;    unsigned month;    unsigned day;};My_Date::My_Date(const string &s){    unsigned format=0;    if(s.find_first_of("/")!=string::npos)        format=0x10;    if(s.find_first_of(",")!=string::npos)        format=0x01;    switch(format)    {    case 0x10:        day=stoi(s.substr(0,s.find_first_of("/")));        month=stoi(s.substr(s.find_first_of("/")+1,s.find_last_of("/")-s.find_first_of("/")));        year=stoi(s.substr(s.find_last_of("/")+1,4));        break;    case 0x01:        day=stoi(s.substr(s.find_first_of("0123456789"),s.find_first_of(",")-s.find_first_of("0123456789")));        if(s.find("Jan")<s.size()) month=1;        if(s.find("Feb")<s.size()) month=2;        if(s.find("Mar")<s.size()) month=3;        if(s.find("Apr")<s.size()) month=4;        if(s.find("May")<s.size()) month=5;        if(s.find("Jun")<s.size()) month=6;        if(s.find("Jul")<s.size()) month=7;        if(s.find("Aug")<s.size()) month=8;        if(s.find("Sep")<s.size()) month=9;        if(s.find("Oct")<s.size()) month=10;        if(s.find("Nov")<s.size()) month=11;        if(s.find("Dec")<s.size()) month=12;        year=stoi(s.substr(s.find_last_of(",")+1,4));        break;    }}int main(){    My_Date d("99/21/1234");    cout<<d.day<<" "<<d.month<<" "<<d.year<<endl;    return 0;}