#include <iostream>
using namespace std;
int v1;
int v2;
int testy=0;
int main() {
while(testy <4) {
v2=v1;
cin>>v1;
if(v1 == 42 && v2 !=42) {
testy++;
}
cout<<v1<<endl;
// cout<<"stan licznika "<<testy<<endl;
// cout<<v2<<endl;
}
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwppbnQgdjE7CmludCB2MjsKaW50IHRlc3R5PTA7CmludCBtYWluKCkgewoJCgl3aGlsZSh0ZXN0eSA8NCkgewoJCXYyPXYxOwoJCWNpbj4+djE7CgkJCgkJaWYodjEgPT0gNDIgJiYgdjIgIT00MikgewoJCQl0ZXN0eSsrOwoJCX0KCQljb3V0PDx2MTw8ZW5kbDsKCS8vCWNvdXQ8PCJzdGFuIGxpY3puaWthICI8PHRlc3R5PDxlbmRsOwoJLy8JY291dDw8djI8PGVuZGw7Cgl9Cn0=