#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define length 30

int main(){
	//Initialize variables
	int temp=0;
	int x=0;
	int y=0;
	char tempChar[length];
	char myString[length];
	char *reminderPtr;
	int day[length];
	char myReminders[length][length];

	while(strcmp(myString,"0")!=0){
	//Ask user for the reminder
	printf("Enter day and reminder: ");
	gets(myString);

	//Cut off the ending reminder
	reminderPtr= strtok(myString," ");
	x=atoi(reminderPtr);
	printf("%d\n",x);

	day[y]=x;
	strcpy(myReminders[y],myString);
	y++;
	}

for(int a=0; a<length; a++)
{

	for(int b=0; b<length-1; b++)
		{

			if(day[b]>day[b+1])

			{

				int temp = day[b+1];

				day[b+1] = day[b];

				day[b] = temp;

			}

		}

	}

	for(int v=0;v<length;v++){
		if(day[v]>0)
		printf("%d\n",day[v]);
	}

	return 0;
}