digital clock creator

#include <stdio.h>

int main() {
    int total_sec;
    int hours,minutes,seconds;
    printf("enter the number of seconds that shud be converted into digital clock form  : ");
    scanf("%d",&total_sec);
    
    hours=total_sec/3600;
    minutes=(total_sec-hours*3600)/60;
    seconds=(total_sec-hours*3600)%60;
    
    if(hours<10){
        printf(0);
    }
    printf("%d : ",hours);
    if(minutes<10){
        printf(0);
    }
    printf("%d : ",minutes);
    if(seconds<10){
        printf(0);
    }
    printf("%d",seconds);
    return 0;
    
    
        
    
}