// yukicoder: No.597 concat
// 2019.4.19 bal4u

#include <stdio.h>

#if 1
#define gc() getchar_unlocked()
#define pc(c) putchar_unlocked(c)
#else
#define gc() getchar()
#define pc(c) putchar(c)
#endif
int in()
{
	int n = 0, c = gc();
	do n = 10 * n + (c & 0xf), c = gc(); while (c >= '0');
	return n;
}

char *ins(char *s)
{
	char *p = s;
	do *s = gc();
	while (*s++ > ' ');
	*--s = 0;
	return p;
}

void outs(char *s) { while (*s) pc(*s++); }

char S[30];

int main()
{
	int N = in(); while (N--) outs(ins(S));
	pc('\n');
	return 0;
}