#include <iostream>
using namespace std;
int diff_with_reveresed_number(int input1){
int temp=input1;
int rev=0;
while(temp!=0){
int r=temp%10;
rev = rev*10 + r;
temp /= 10;
}
return abs(rev-input1);
}
int main() {
// your code goes here
cout<<diff_with_reveresed_number(245);
return 0;
}
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