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

int main(void){

    time_t timestamp = time(NULL);
    struct tm * timeInfos = localtime(&timestamp);

    printf( "%04d/%02d/%02d\n",timeInfos->tm_year+1900, timeInfos->tm_mon+1, timeInfos->tm_mday);
}