#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]);
    }
    if ( SIZE % 2 == 0) {
        middle = SIZE / 2;
    }
    middle = (SIZE - 1)/2 + 1;

    for ( int i = 0; i <= middle; i++ ) {
        for ( int j = SIZE - 1; j >=middle; j-- ) {
            tmp = array[i];
            array[i] = array[j];
            array[j] = tmp;
        }
    }
    for( int i = 0; i < SIZE; i++ ) {
        printf("%d_", array[i]);
    }
    return 0;
}