/*import java.util.*;
public class vpd{
    public static void main(String args[]){
        Scanner s=new Scanner(System.in);
        int n=s.nextInt();
        int[] queue=new int[n];
        for(int i=0;i<n;i++){
            queue[i]=s.nextInt();
        }
        for(int i=0;i<n;i++){
            System.out.println(queue[i] + " ");
        }
    }
}*/

#include <stdio.h>
int main(){
    int n;
    scanf("%d", &n);
    int queue[n];
    for(int i=0;i<n;i++){
        scanf("%d", &queue[i]);
    }
    for(int i=0;i<n;i++){
        print("%d", queue[i]);
    }
    return 0;
    
}