#include <stdio.h>

int iskado(int a[3]) {
	if ((a[0] > a[1] && a[1] > a[2]) ||
		(a[0] < a[1] && a[1] < a[2]) ||
		(a[0] == a[1] || a[1] == a[2] || a[2] == a[0])) return 0;
	else return 1;
}

int main() {
	int a[3], b[3], max = 0, cnt = 0, i, j;

	for (i = 0; i < 3; i++) {
		scanf("%d", &a[i]);
		if (a[i] > max) max = a[i];
	}
	if (iskado(a)) printf("INF\n");
	else {
		for (i = 2; i <= max; i++) {
			for (j = 0; j < 3; j++) b[j] = a[j] % i;
			if (iskado(b)) cnt++;
		}
		printf("%d\n", cnt);
	}

	return 0;
}