#include <stdio.h>
struct date
{
	int y;
	int m;
	int d;
};
int main()
{
    struct date date1;
    scanf("%d %d %d",&date1.y,&date1.m,&date1.d);
    printf("%d/%d/%d",date1.d,date1.m,date1.y);
    return 0;
}