The else if Clause

#include <stdio.h>
int main()
{
	int m1, m2, m3, m4, m5, per;
	per = (m1 + m2 + m3 + m4 + m5) / per;
	if (per >= 60)
		printf("First division");
	else if (per >= 50)
		printf("Second division");
	else if (per >= 40)
		printf("Third division");
	else
		printf("fail");
	return 0;

}