#include <stdio.h>

#define MAXSIZE	500

int main()
{
    int	x[MAXSIZE], cnt, i, v;

    for (cnt = 0; cnt < MAXSIZE; ++cnt) {
	scanf("%d", &v);
	if (v < 0) {
	    break;
	}
	x[cnt] = v;
    }
    for (i = cnt-1; i >= 0; i--) {
	printf("%d\n", x[i]);
    }
    return 0;
}