zoj 2405 Specialized Four-Digit Numbers

#include<stdio.h>
int jud(int n,int d){
	int sum;
	sum = 0;
	while(n){
		sum += n % d;
		n /= d;
	}
return sum;
}
int main(){
	int i;
	for(i = 2992;i<10000;i++)
		if(jud(i,10)==jud(i,12)&&jud(i,10) == jud(i,16)) printf("%d\n",i);
	return 0;
}