View Code of Problem 50

#include<stdio.h>
#include<string.h>
int main()
{
	char s1[80],s2[80];
	int i,k=0;
	gets(s1);
	int len=strlen(s1);
	for(i=0;i<len;i++)
	{
		if(s1[i]<='9'&&s1[i]>='0')
		{
			s2[k++]=s1[i];
		}
		else
		{
			s1[i]='*';
			if(s1[i+1]<='9'&&s1[i+1]>='0')
			s2[k++]=s1[i];
		 } 
			
	}
	puts(s2);	
	return 0;
 }