Time To Seconds

#include<stdio.h>
int main()
{
int a,b,c,d;char ch;
printf("Enter hours: ");scanf("%d",&a);
printf("Enter minutes: ");scanf("%d",&b);
printf("Enter seconds: ");scanf("%d",&c);
d=a*3600+b*60+c;
printf("\nAnswer In Seconds: %d\n\n\n\n\n\n\n                        Enter To Exit",d);
getch();
}