#include<iostream>
#include<cstdio>
#define mysister
#define maxn 121
using namespace std;
int a[maxn],t,buf[10];
inline int readint() {
	char c=getchar();
	while(c!=EOF&&!isdigit(c)) c=getchar();
	if(c==EOF) return -1; int x=0;
	while(isdigit(c)){
		x=x*10+c-'0';
		c=getchar();
	}
	return x;
}
inline void writeint(int x) {
	int p=0;
	if(x==0) p++;
	else while(x){
			buf[p++]=x%10;
			x/=10;
		}
	for(int i=p-1;i>=0;i--) putchar(buf[i]+'0');
}
int main()
{
	freopen("AgeSort.in","r",stdin);
	freopen("AgeSort.out","w",stdout);
	while((t=readint())!=-1) a[t]++;
	for(int i=0;i<=120;i++) for(int j=1;j<=a[i];j++){
		writeint(i); 
		putchar(' ');
	}
	return 0;
}