#include<stdio.h>
struct stu
{
int year;
int month;
int day;
}s1;
int main()
{
scanf("%d %d %d", &s1.year, &s1.month, &s1.day);
printf("%d/%d/%d", s1.day, s1.month, s1.year);
return 0;
}

#include<stdio.h>
struct stu
{
int year;
int month;
int day;
}s1;
int main()
{
scanf("%d %d %d", &s1.year, &s1.month, &s1.day);
printf("%d/%d/%d", s1.day, s1.month, s1.year);
return 0;
}