#include <stdio.h> int main() { int num = 0; int a = 0; int i = 0; scanf("%d", &num); for (i = 1; i <= num; i++) { int number = i; int sum = 0; while (number) { sum = sum * 10 + number % 10; number /= 10; } if (i == sum) { printf("%d\n", sum); } } return 0; }