import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int A[] = new int[3];
		for (int i = 0; i < 3; i++) {
			A[i] = scanner.nextInt();
		}

		System.out.println(new Solver().solve(A));

	}

}

class Solver {

	public String solve(int[] a) {
		if (a[0] == a[1] || a[0] == a[2] || a[1] == a[2]) {
			return "0";
		}

		int sum = 0;
		int max = Math.max(Math.max(a[0], a[1]), a[2]);
		for (int i = 1; i <= max; i++) {
			int b1 = a[0] % i;
			int b2 = a[1] % i;
			int b3 = a[2] % i;
			if (isKadomatsu(b1, b2, b3)) {
				System.out.println(i + ": " + b1 + " " + b2 + " " + b3);
				sum++;
			}
		}
		if (sum > 0) {
			return String.valueOf(sum);
		} else {
			return "INF";
		}
	}

	private boolean isKadomatsu(int b1, int b2, int b3) {
		if (b1 == b2 || b1 == b3 || b2 == b3) {
			return false;
		}
		return (b2 > b1 && b2 > b3) || (b2 < b1 && b2 < b3);
	}

}