#include<stdio.h>
#include<stdlib.h>

typedef struct node{
    int numb;
    struct node *next;

}nodeS;

int main(){

    nodeS *head = NULL;
    nodeS *current = head;

    head->next = malloc(sizeof(nodeS));

    scanf("%d", &head->numb);

    scanf("%d", &head->next->numb);

    head->next->next = NULL;

    while(current != NULL){
        printf("%d", current->numb);
        current = current->next;

    }


    return 0;
}