#include <stdio.h>

int main(void) {
	// your code goes here
	char *s[] = {
       "string1",
       "string2",
       "strin3",
       NULL
    };
    
    printf("%d", sizeof s/sizeof (char *));
    for(int i=0; s[i];i++){
       printf("s%d: %s \n",i, s[i] );
    }
	return 0;
}