#include<stdio.h>
int main()
{
    int a,b,c,d,e,f,g,h;
    scanf("%d",&a);
    scanf("%d",&b);
    scanf("%d",&c);
    scanf("%d",&d);
    scanf("%d",&e);
    scanf("%d",&f);
    scanf("%d",&g);
    scanf("%d",&h);
    
    printf("%d",h);
    printf("%d2",g);
    printf("%d3",f);
    printf("%d4",e);
    printf("%d5",d);
    printf("%d6",c);
    printf("%d7",b);
    printf("%d8",a);
    return 0;