Prog#142: delete comma

/*
delete comma
Program#142 
*/
#include<stdio.h>
main()
{
int i,j;
char a[50], b[50];
for(i=0;(a[i]=getchar())!='$';i++);
a[i]='\0';
j=0;
for(i=0;a[i]!='\0';i++)
{
if(a[i]==',')
{
b[j]= a[i];
j++;
}
}
b[j]='\0';
puts (a);
puts (b);
}