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

int main()
{
	char **a=malloc(20*sizeof(char*));
	char s[500];
	for(int i=0;i<20;i++)
	{
		a[i]=malloc(21*sizeof(char));
	}

	fgets(s,500,stdin);
	char *tok=strtok(s," ");
	int i=0;
	while(tok != NULL && i<20)
	{
		strcpy(a[i],tok);

		i++;
		tok=strtok(NULL," ");

	}
	char temp[21];
	strcpy(temp,a[0]);
	strcpy(a[0],a[2]);
	strcpy(a[2],temp);
  int j=0;
	while(a[j]!= i){

    		printf("%s ",a[i]);
   		  j++;

	}
	return 0;
}