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

int n,m;

struct nod{ short val;
            short dist;
           struct nod* urm;
           }*d[50000];




int main(void)
{
    freopen("dijkstra.in","r",stdin);
    freopen("dijkstra.out","w",stdout);
    scanf("%d %d",&n,&m);
    
    int i;
    
        printf("%d",sizeof(struct nod*));
    
    
return 0;
}