#include <iostream>
#include <cstdio>
#include <string>
using namespace std;
#define checkthisy
struct a
{
	string b;
	int c;
};
void f(a &q) //lol
{
	    if(q.c < q.b.length())
        {
        #ifdef checkthis
        q.b[q.b.length()-q.c]='\0';
        #else 
        q.b.erase(q.b.begin()+(q.b.length()-q.c),q.b.end());
        #endif
       	cout << q.b << '\n';
        }
}
int main()
{
	a q = {"mam",4};
	a w = {"ale nie mam",4};
	a e = {"janusz biznesu",8};
	a r = {"zlote kalesony",4};
	a t = {"qwertyui",5};
	a y = {"xcvbnm,", 6};
	f(q);
	f(w);
	f(e);
	f(r);
	f(t);
	f(y);
}
 

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