Program to display no. of days in entered month

//Program to display no. of days in entered month
#include<stdio.h>
#include<conio.h>
int main()
{
int m,y,d;
clrscr();
printf("Enter Month number and Year");
scanf("%d%d",&m,&y);


    if(m==1||m==3||m==5||m==7||m==8||m==10||m==12)
    {
    if(y%4==0&&y%100!=0||y%400==0)
         printf("Month days=31, Year days=366");
    else printf("Month days=31, Year days=365");

    }

    if(m==2)
    {
    if(y%4==0&&y%100!=0||y%400==0)
       printf("Month days=29, Year days=366");
    else printf("Month days=28, Year days=365");
    }

    if(m==4||m==6||m==9||m==11)
    {
    if(y%4==0&&y%100!=0||y%400==0)
    printf("Month days=30, Year days=366");
    else printf("Month days=30, Year days=365");
    }
getch();
return 0;     //Return successfuly to calling area

}

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Click on run.