///////////////////////////////////////////////////////////////////// Count7s.c
//
// Returns the number of occurrences of the digit 7 in Value.  For example:
//
//   Count7s(123456789) == 1
//   Count7s(777737777) == 8
//   Count7s(31415)     == 0
//
// Pre:  Value is initialized
//
unsigned int Count7s(unsigned int Value) {

	//. . .	
}