#include<stdio.h>
#include<string>
int main(){
    int n;
    char s[105],*w[20];
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input");
        return 0;
    }
    getchar();
    fgets(s,105,stdin);
    s[strcspn(s,"\n")]=0;
    int top=0;
    char*tok=strtok(s," ");
    while(tok)
    w[top++]=tok,tok=strtok(NULL," ");
    for(int i=top-1;i>=0;i--)
    printf("%s",w[i]);
    return 0;
}