#include <iostream>
using namespace std;
int reverse(int x);
int main()
{
int m,n;
cin>>m;
n=reverse(m);
cout<<n<<endl;
return 0;
}
int reverse(int x)
{
int r,m=0;
do
{
r=x%10;
m=m*10+r;
x=x/10;
}
while(x!=0);
return (m);
}
运行结果: