#include<iostream.h>
#include<stdio.h>
#include<string.h>
char tmp1[100], tmp2[100], tmpans[200];
char op1[100], op2[100], ans[200];
int scale1,scale2, scale3, len1, len2, len3;
void removeblank(char*);
void scale(char*op1, int&, int&);
void reverse(char x[]);
void adjust();
void printans(), add(), sub(), mul(), div();
int main(){
    printf("First#:");
    gets(tmp1);
    printf("Second#:");
    gets(tmp2);
    removeblank(tmp1);
    removeblank(tmp2);
    strcpy(op1, tmp1);
    strcpy(op2, tmp2);
    scale(op1, scale1, len1);
    scale(op2, scale2, len2);
    printf("scal1=%d\n", scale1);
    printf("scal2=%d\n", scale2);
    reverse(op1); reverse(op2);
    adjust();
    printf("op1=%s\n", op1);
    printf("op2=%s\n", op2);

    printf("scal1=%d\n", scale1);
    printf("scal2=%d\n", scale2);
    add(); printans();
    sub(); printans();
    mul(); printans();
    div(); printans();
}
void removeblank(char x[1])
{
}
void scale(char x[1], int&n, int&len)
{
   char*p;
   n=0;
   len = strlen(x);
   if(NULL== (p=strchr(x,'.')) ) return;
   n= len - ( p - x) -1;
   len--;   // exclude the "."
}
void reverse(char x[1])
{ char tmp[100], i, k=0;
   for(i=strlen(x)-1; i>=0; i--){
      if(x[i] != '.') tmp[k++] = x[i] ; 
   }
   tmp[k]=0;
   strcpy(x, tmp);
}
void  adjust()
{  int i,n;
   if(scale1==scale2)return;
   if(scale1>scale2){
       n= scale1 - scale2;
       for(i=len2-1; i>=0; i--) op2[i+n] = op2[i];
       for(i=0; i<n; i++) op2[i]= '0';   ///
       scale2=scale1; len2 +=n;
       return;
   }
   n= scale2 - scale1;
   for(i=len1-1; i>=0; i--) op1[i+n] = op1[i];
   for(i=0; i<n; i++) op1[i]= '0';   ///
   scale1=scale2; len1 +=n;
   return;
}
void printans()
{
}
void  add()
{
}
void  sub()
{
}
void  mul()
{
}
void  div()
{
}