View Code of Problem 50

# include<stdio.h>
# include<string.h>
int main(void)
{
  char a[80],b[80];
  int i = 0,j,t,m;
  gets(a);
  t = strlen(a);
  for(j=0;j<t;++j)
  {
    if(a[i]>=0&&a[i]<=9)
    {
      b[j] = a[i];
      ++i;
    }
    else if((a[i]<0||a[i]>9)&&(a[i+1]>=0||a[i+1]<=9))
    {
      ++i;
	  --t;
	  m = i;
	  while(a[m]>=0&&a[m]<=9)
	  {
		  b[j] = '*';
		  break;
	  }
    }
  }
 for(j=0;j<i;++j)
 {
 printf("%c",b[j]);
 }
  return 0;
}