#include <stdio.h>
int main()
{
int n;
int count = 0,flag=0;
int c=9,i,j,d;
while(n != 0)
{
// n = n/10
n /= 10;
++count;
}
if(count>2)
{
for(i=count;i>2;i--)
{
c=c*10+c;
}
}
for(i=0;i<c;i++)
{
for(j=0;j<c;j++)
{
d=i+j;
}
if(d==n)
{
flag=1;
break;
if(flag==1)
{
}
}
}
}
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