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#include<stdio.h>
void main()
{
	char str1[50];
	char str2[50];
	int i,j=0;
	printf("Enter the  1st string \n");
	scanf("%s",&str1);
	printf("Enter the 2nd string \n");
	scanf("%s",&str2);
	for(i=0;str1[i]!='\0';i++)
	{
		for(j=0;str2[j]!='\0';j++)
		{
			if(str1[i]==str2[j])
				printf("%c",str1[i]);
		}
	}
}