#include <iostream>
#include <string>
using namespace std;
int main()
{
string do_wyswietlenia="";
string zapasowy;
int stop;
cin>>zapasowy;
do_wyswietlenia+=zapasowy+"\n";
while(stop!=3)
{
BBB:
stop=0;
AAA:
if(zapasowy!="42")
{
cin>>zapasowy;
do_wyswietlenia+=zapasowy+"\n";
if(zapasowy=="42")
{
stop++;
if(stop!=3)
{
cin>>zapasowy;
do_wyswietlenia+=zapasowy+"\n";
goto AAA;
}
}
else
goto BBB;
}
if(stop!=3)
{
cin>>zapasowy;
do_wyswietlenia+=zapasowy+"\n";
}
}
cout<<do_wyswietlenia;
return 0;
}
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