> #include<iostream.h>
> 
> int main(){
> 	int sum10, sum12, sum16;
> 	sum10=0; sum12=0; sum16=0;
> 	for(int i=2992; i<10000; i++){
> 		int x;
> 		x=i;
> 		sum10 += x%10;
> 		x /= 10;
> 		sum10 += x%10;
> 		x /= 10;
> 		sum10 += x%10;
> 		x /= 10;
> 		sum10 += x%10;
> 
> 		x=i;
> 		sum12 += x%12;
> 		x /= 12;
> 		sum12 += x%12;
> 		x /= 12;
> 		sum12 += x%12;
> 		x /= 12;
> 		sum12 += x%12;
> 
> 		x=i;
> 		sum16 += x%16;
> 		x /= 16;
> 		sum16 += x%16;
> 		x /= 16;
> 		sum16 += x%16;
> 		x /= 16;
> 		sum16 += x%16;
> 
> 		if((sum10 == sum12) && (sum12 == sum16)) cout<<i<<endl;
> 
> 
> 	}
> 	return 0;
> }