#include <iostream> using namespace std; int main() { int n; cin>>n; for(int i =1;i<=n;i++){ int f=0,num1=i; //num1=12788 while(num1!=0){ f=f*10+num1%10; num1=num1/10; } if(i==f){ // 判断一个数是否为回文数：i本身 ==反着数 cout<<i<<endl; } } return 0;}