#include <stdio.h>

#define SIZE 10

int main() {
    int array[SIZE];
    int middle;
    int tmp;

    for ( int i = 0; i < SIZE; i++ ) {
        scanf("%d", &array[i]);
    }

    for ( int i = 0; i <= SIZE / 2; i++ ) {
            tmp = array[i];
            array[i] = array[SIZE - i + 1];
            array[SIZE - i + 1] = tmp;
        }

    for( int i = 0; i <= SIZE; i++ ) {
        printf("%d_", array[i]);
    }
    return 0;
}