/******************************************************************************
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C/C++.
Code, Compile, Run and Debug online from anywhere in world.
*******************************************************************************/
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
int x,rem=0,n;
cin>>x;
while(x!=0){
n=x%10;
rem=rem*10+n;
x=x/10;
}
cout<<x<<endl;
return 0;
}
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