rt 请大佬帮忙看看那些地方出了问题

#include<cstdio>
#include<iostream>
#include<cstring>
#include<string>
#include<cmath>
#include<algorithm>
using namespace std;
int sum;
int main(){
	int x,y,z,a,b,c,j,k,l,A,B,C;
	scanf("%d%d%d",&A,&B,&C);
	for(int i=123;i<=999;++i){
		x=i/100;
		y=i/10%10;
		z=i%10;
		a=i*2/100;
		b=i*2/10%10;
		c=i*2%10;
		j=i*3/100;
		k=i*3/10%10;
		l=i*3%10;
		if(x+y+z+a+b+c+j+k+l==1+2+3+4+5+6+7+8+9&&x*y*z*a*b*c*j*k*l==A*B*C*(A*2)*(B*2)*(C*2)*(A*3)*(B*3)*(C*3)){
			printf("%d %d %d\n",i*A,i*B,i*C);
			++sum;
		}	
	}
	if(sum==0)
		printf("No!!!");
	return 0;
}