#pragma warning (disable : 4996)
#include <stdio.h>
void sort(int arr[], int length){
}
int main(){
int length;
int arr[100] = { 0, };
for (int i = 0; i < 100; i++){
scanf("%d", &arr[i]);
if (arr[i] == -1){
length = i;
break;
}
}
sort(arr, length);
for (int i = 0; i < length; i++) printf("%d\t", arr[i]);
}