This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<stdio.h>
int x,y;
int num[6];
int NumTo()
{
	int n=0,i,j=1;
	for(i=0;i<6;i++,j*=10)
	{
		n=n+j*num[i];
	}
	return n;
}
void add2(int idx)
{	
	if(num[idx]==8)
	{
		num[idx]=3;
		add2(idx+1);
	}
	else if(num[idx]==5)num[idx]=8;
	else if(num[idx]==3)num[idx]=5;
	else if(num[idx]==0)num[idx]=3;
}
void add()
{
	add2(0);
}
int main()
{
	int i=0,a,b=0,s=0;
	scanf("%d %d",&x,&y);
	a=x;
	for(;x;x/=10)
	{
		num[i++]=x%10;
	}
	i=0;
	for(;b!=y;)
	{
		add();
		b=NumTo();
		s=(s+a*b)%19980305;
		a=b;
	}
	printf("%d",s);
}
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