#include <stdio.h>  //scanf
#include <stdlib.h> //EXIT_SUCCESS
#include <math.h>   //floorf


int isInt(float f) {
    return (floorf(f) == f);
}

int main(void) {
    float val = 0.0;

    scanf("%f", &val);
    printf("val == %.8f\n", val);
    printf("is int:  %d (1 TAK, 0 NIE)\n", isInt(val));
    return EXIT_SUCCESS;
}