Q10-PRF192-PE-31.03

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>


int main() {
  system("cls");
  //INPUT - @STUDENT:ADD YOUR CODE FOR INPUT HERE:
    int a, i, sum;
    int b[15], count;

    scanf("%d", &a);

    count = 0; i = 0;
    while (a>0) {
        b[i] = a%10;
        count++;
        a /= 10;
    }

    sum = 0;
    for (int i = count-1; i>=0; i-=2) {
        sum +=i;
    }


  // Fixed Do not edit anything here.
  printf("\nOUTPUT:\n");
  //@STUDENT: WRITE YOUR OUTPUT HERE:
    printf("%d",sum);



  //--FIXED PART - DO NOT EDIT ANY THINGS HERE
  printf("\n");
  system ("pause");
  return(0);
}