#include <stdio.h>

/*
int getchar(void);
int putchar(int c);
*/
int main(void) {
	
	char a = 'x';
	
	while(1){
		a = getchar();
		if(a=='x')
			break;
		putchar(a);
	}
	
	/*
	while((a=getchar()) != EOF)
	{
		putchar(a);	
	}
	*/
	return 0;
}