#include <iostream>
#include <math.h>
using namespace std;
int main()
{
string a;
int i,j,suma,ile;
while(cin>>a)
{
suma=0;
ile=a.size();
for(i=0;i<=ile-1;i++)
{
suma=suma+((int)a[i]-48)*pow(10,i);
}
cout<<suma<<endl;
}
return 0;
}
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