program main
	implicit none
	integer l,m,n,k
	read(*,*)l,m,n
	m=m+n/25
	n=n-(n/25)*25
	l=l+m/4
	m=m-(m/4)*4
	k=l/10
	l=l-k*10
	write(*,*)l+m+n+k
end program main