#define pc(x) putchar_unlocked(x);
inline void writeInt (int n)
{
    int N = n, rev, count = 0;
    rev = N;
    if (N == 0) {
      pc('0');
      pc('n');
      return;
    }
    while ((rev % 10) == 0) {
      count++;
      rev /= 10;
      //obtain the count of the number of 0s
    }
    rev = 0;
    while (N != 0) {
      rev = (rev<<3) + (rev<<1) + N % 10;
      N /= 10;
      //store reverse of N in rev
    }
    while (rev != 0) {
      pc(rev % 10 + '0');
      rev /= 10;
    }
    while (count--) pc('0');
    pc('n'); //this line prints new line and the reason for 1 second delay!
}

setvbuf(stdout, NULL, _IOFBF, 0);

fflush(stdout);