#include <stdio.h>
#include <stdlib.h>

int is_kadomatsu(int a, int b, int c);
int max(int a, int b, int c);
int min(int a, int b, int c);

int main(void)
{
    unsigned int cnt=0;
    int a1, a2, a3, p, a, b, c;
    
    scanf("%d %d %d", &a1, &a2, &a3);
    
    if(is_kadomatsu(a1, a2, a3)) {
        printf("INF\n");
        return 0;
    }
    
    for(p = 1; p <= max(a1, a2, a3); p++){
        a = a1 % p; b = a2 % p; c = a3 % p;
        if(is_kadomatsu(a, b, c)) {
            cnt++;
        }
    }
    
    printf("%d\n", cnt);
    
    return 0;
}

int is_kadomatsu(int a, int b, int c)
{
    if (a == b || b == c || c == a) {
        return 0;
    }
    
    if (max(a, b, c) == b || min(a, b, c) == b) {
        return 1;
    }
    
    return 0;
}

int max(int a, int b, int c) {
    if(a > b) {
        if(a > c) {
            return a;
        }
        else {
            return c;
        }
    }
    else {
        if(b > c) {
            return b;
        }
        else {
            return c;
        }
    }
}

int min(int a, int b, int c) {
    if(a > b) {
        if(b > c) {
            return c;
        }
        else {
            return b;
        }
    }
    else {
        if(a > c) {
            return c;
        }
        else {
            return a;
        }
    }
}