Lab12

#include <stdio.h>

int main() {
  long word;
  long new_word;
  long n=1;
  int i=0;
  int a[10000];
  int j =0, count=0;
  int m,k,w;
  while (scanf("%ld", &word)!=EOF) {
      w = word;
      while (w > 0) {
          count += 1;
          w /= 10;
      }
      if (count % 2 == 1) i = 1;  else i = 2;
      while (word > 0) {
          if (i % 2 == 1) {
              a[j] = (word % 10);
              word = word / 10;
              i++;
              j++;
          } else {
              word = word / 10;
              i++;
          }
      }
      count=0;
      for (k = 0; k <= j; k++) {
          new_word = new_word + a[k] * n;
          n *= 10;
      }
      j=0;
      n=1;
      printf("%ld", new_word,"endl");
      for(m=0;m<=i;m++) {a[m]=0;}
      //printf(a[m]);
  }
}