// Answer in 5~10 mins time.
#define SIZE 8192
int main(int argc, char* *argv, char* *envp)
{
	char *s1 = (char *) malloc (sizeof(char) * SIZE);
	char *s2 = (char *) malloc (sizeof(char) * SIZE);
	scanf("%[^\n]%*c", s1); // string input. User types a sentence.
	scanf("%[^\n]%*c", s2);
	size_t s1_buff = strlen(s1) - 1, s2_buff = strlen(s2) - 1; // strlen() string length.
	bool flag = false;
	for(size_t i = 0; i <= (s1_buff - s2_buff); i++) {
		for(size_t j = 0; j <= s2_buff; j++) {
			if(s1[i + j] != s2[j]) {
				break;
			}
			if(j == s2_buff) {
				printf("%ld, %ld", i + 1, i + s2_buff + 1);
			}
		}
	}
	printf("\n");
	return 0;
}

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