#include<stdio.h>
int check(int day,int month)
{
	if((month==4||month==6||month==9 ||month==11) && day==31)
		return 1;
	else
		return 0;
}
int isleap(int year)
{
	if((year%4==0 && year%100!=0) || year%400==0) 
			return 1;
	else
			return 0;

}
int main()
{
	int day,month,year,tomm_day,tomm_month,tomm_year;
	char flag;
	do
	{
        		flag='y'; 
		printf("\nenter the today's date in the form of dd mm yyyy\n");
		scanf("%d%d%d",&day,&month,&year);
		tomm_month=month;
		tomm_year= year;
		if(day<1 || day>31)
		{
	  		  printf("value of day, not in the range 1...31\n");
	 		   flag='n';	
		}
		if(month<1 || month>12)
	 	 {
			 printf("value of month, not in the range 1....12\n");
	   		 flag='n';
	   	}
		else if(check(day,month))
		{
		    	printf("value of day, not in the range day<=30");	
		   	 flag='n';
		}
		    
		if(year<=1812 || year>2013)
	  	{
   printf("value of year, not in the range 1812.......2013\n");
	  		   flag='n';
          		}	
		if(month==2)
		{ 
			if(isleap(year) && day>29) 
                  		 {
				printf("invalid date input for leap year");
				flag='n';
                    		}
			else if(!(isleap(year))&& day>28)
		   	{
				printf("invalid date input for not a leap year");
				flag='n';
		   	 }
		}
	}while(flag=='n');
	
	
	switch (month)
	{
		case 1:
		case 3:
		case 5:
		case 7:
		case 8:
		case 10:if(day<31)
				tomm_day=day+1;
			else
			   {
				tomm_day=1;
				tomm_month=month+1;
			   }
			break;
		case 4:
		case 6:
		case 9:
		case 11: if(day<30)
				tomm_day=day+1;
			 else
			    {
				tomm_day=1;
				tomm_month=month+1;
			    }
			break;

		case 12: if(day<31)
				tomm_day=day+1;
			else
			   {
				tomm_day=1;
				tomm_month=1;
if(year==2013)
				  {
	                  	     printf("the next day is out of boundary value of year\n");
				     tomm_year=year+1;
				  }
				else
				    tomm_year=year+1;
			   }	
			break;
		case 2:
			if(day<28)
				tomm_day=day+1;
			else if(isleap(year)&& day==28)			    
					tomm_day=day+1;
			 else if(day==28 || day==29)
				{
				  tomm_day=1;
				  tomm_month=3;
				}
			break;
	}
	printf("next day is : %d  %d  %d",tomm_day,tomm_month,tomm_year);
	return 0;}