#include <stdio.h>

int main() {
    double pinf = 1.0/0.0;
    double ninf = -1.0/0.0;
    double nan = pinf + ninf;
    
    printf("%lg %lg %lg\n", pinf, ninf, nan);

    printf("%s\n", nan > pinf ? "true" : "false");
    printf("%s\n", nan < pinf ? "true" : "false");
    printf("%s\n", nan == pinf ? "true" : "false");
    printf("%s\n", nan > ninf ? "true" : "false");
    printf("%s\n", nan < ninf ? "true" : "false");
    printf("%s\n", nan == ninf ? "true" : "false");

    return 0;
}