WAP to generate date sheet of examination in C language

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k,day,dt=1;
printf("Enter Total Numbers of Days in a Month: ");
scanf("%d",&day);
printf("\n\nEnter First Day Start From <0-Mon....5-Sat & 6-Sun> End With Sunday : ");
scanf("%d",&k);
printf("\nMon \tTue \tWed \tThu \tFri \tSat \tSun \n\n");
printf(" _________________________________________________\n\n");
for(j=k;j>0;j--)
{
printf("\t");
}
while(dt<=day)
{
if(k!=0)
{
if(k%7==0)
printf("\n");
}
printf("%d\t",dt);
dt++;
k++;
}
getch();
}

Output: