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#include<stdio.h>
void main()
{
	char a[100],b[100],c,d;
	int i,j;
	printf("enter two strings\n");
	scanf("%s %s",a,b);
	for(i=0;b[i]!='\0';i++)
	{
		c=b[i];
		for(j=0;a[j]!='\0';j++)
		{
			d=a[j];
			if(c==d)
			{
				printf("%c",d);
				c='\0';
			}	 
		}
	}
}