Finding the value of a collection of coins

/* FILE: coins.c
* DETERMINES THE VALUE OF A COIN COLLECTION
* A Variation of the Hanly/Koffman book's example
*/

#include <stdio.h>

void main ()
{
// Local data ...
int pennies;              // input: count of pennies
int nickels;              // input: count of nickels
int dimes;                // input: count of dimes
int quarters;             // input: count of quarters
int temp, left;           // temporaries for various
// computations 

// Read in the count of quarters, dimes, nickels and pennies.
printf("Enter the number of quarters, dimes, nickels, and pennies: ");
scanf("%d %d %d %d", &quarters, &dimes, &nickels, &pennies);

// Compute the total value in cents.
left = 25 * quarters + 10 * dimes + 5 * nickels + pennies;

// Find and display the value in dollars
printf("Your collection is worth\n "); 
temp = left / 100;
printf("\t%d dollar", temp);
if (temp==1) 
printf(", ");
else
printf("s, ");
left = left % 100;

// Find and display the value left in quarters
temp = left / 25;
printf("%d quarter", temp);
if (temp==1) 
printf(", ");
else
printf("s, ");
left = left % 25;

// Find and display the value left in dimes
temp = left / 10;
printf("%d dime", temp);
// Here, just for fun, instead of using a conditional statement, 
// I use a conditional expression and string concatenation
printf ((temp==1) ? ", " : "s, ");
left = left % 10;

// Find and display the value left in nickels
temp = left / 5;
printf("%d nickel", temp);
if (temp==1) 
printf(", and ");
else
printf("s, and ");
left = left % 5;

// Find and display the value left in pennies
printf("%d penn", left);
if (left==1) 
printf("y\n");
else
printf("ies\n");
}