#include <iostream>
#include <vector>
#include <sstream>
using namespace std;
int main() {
string s("13n4w14n3w2s");
istringstream iss(s);
vector<pair<int,char> > res;
int a;
char b;
while (iss >> a >> b) {
res.push_back(make_pair(a, b));
cout << a << " " << b << endl;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8dmVjdG9yPgojaW5jbHVkZSA8c3N0cmVhbT4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkgewoJc3RyaW5nIHMoIjEzbjR3MTRuM3cycyIpOwoJaXN0cmluZ3N0cmVhbSBpc3Mocyk7Cgl2ZWN0b3I8cGFpcjxpbnQsY2hhcj4gPiByZXM7CglpbnQgYTsKCWNoYXIgYjsKCXdoaWxlIChpc3MgPj4gYSA+PiBiKSB7CgkJcmVzLnB1c2hfYmFjayhtYWtlX3BhaXIoYSwgYikpOwoJCWNvdXQgPDwgYSA8PCAiICIgPDwgYiA8PCBlbmRsOwoJfQoJcmV0dXJuIDA7Cn0=