#include<stdio.h>
#include<string.h>
int main() {
    int n;
    scanf("%d",&n);
    getchar();
    if(n < 0) {
        printf("Invalid input");
        return 0;
    }
    char sentence[100],words[20] [20];
    fgets(sentence,sizeof(sentence),stdin);
    sentence[strcspn(sentence,"\n")] ='\0';
    int count = 0;
    char*token = strtok(sentence," ");
    while(token != NULL && count < n) {
        strcpy(words[count++]token);
    }
    for(int i count -1;i>=0;i--)
    printf("%s",words[i]);
}