#include <stdio.h>
#include <math.h>

int main() {
    int d;
    double rad, tan_val, cot_val;

    // Input
    if (scanf("%d", &d) != 1) {
        printf("Invalid Input\n");
        return 0;
    }

    // Check negative input
    if (d < 0) {
        printf("Invalid Input\n");
        return 0;
    }

    // Convert degrees to radians
    rad = d * M_PI / 180.0;

    // Check for undefined tangent or cotangent
    if (d % 180 == 90 || d % 180 == -90) {
        printf("Undefined\n");
        return 0;
    }

    tan_val = tan(rad);
    cot_val = 1.0 / tan_val;

    // Print results rounded to 3 decimal places
    printf("tan(%d) = %.3lf\n", d, tan_val);
    printf("cot(%d) = %.3lf\n", d, cot_val);

    return 0;
}