C :

#include<stdio.h>

int main()
{
    printf("1799-12-21\n");
    return 0;
} 

C++ :

#include<stdio.h>
int isleep(int n)
{
	if((n%4==0&&n%100!=0)||n%400==0)
	{
		return 1;
	}
	return 0;
}
int main()
{
	/*int n,i,m[13]={0,31,28,31,30,31,30,31,31,30,31,30,31},year,month,day;
	while(scanf("%d",&n)!=EOF)
	{
		year=1777;month=4;day=30;
		for(i=2;i<=n;i++)
		{
			day++;
			if(isleep(year))
			{
				m[2]=29;
			}
			else
			{
				m[2]=28;
			}
			if(day>m[month])
			{
				day=1;
				month++;
			}
			if(month==13)
			{
				year++;
				month=1;
			}
		}
		printf("%d-%d-%d\n",year,month,day);
	}*/
	printf("1799-12-21\n");
}