input mark and calculate the percentage

/* input five sub mark and calculate the percentage */

#include
#include
void main()
{
int m1,m2,m3,m4,m5,tot;
float per;
clrscr();
printf("\n Enter The Mark M1 :- ");
scanf("%d",&m1);
printf("\n Enter The Mark M2 :- ");
scanf("%d",&m2);
printf("\n Enter The Mark M3 :- ");
scanf("%d",&m3);
printf("\n Enter The Mark M4 :- ");
scanf("%d",&m4);
printf("\n Enter The Mark M5 :- ");
scanf("%d",&m5);
tot=m1+m2+m3+m4+m5;
per=tot/5;
printf("\n Percentage = %f",per);
if(per>=70)
{
printf("\n");
printf("\n Distinction");
}
else if(per<=69 && per>=60)
{
printf("\n");
printf("\n First Class");
}
else if(per<=59 && per>=50)
{
printf("\n");
printf("\n Second Class");
}
else if(per<=49 && per>=40)
{
printf("\n");
printf("\n Pass Class");
}
else
{
printf("\n");
printf("\n Fail");
}
getch();
}