#include <stdio.h>
#include <math.h>
int main() {
printf("%f\n", trunc(0.60));
printf("%f\n", trunc(0.40));
printf("%f\n", trunc(5));
printf("%f\n", trunc(5.1));
printf("%f\n", trunc(-5.1));
printf("%f\n", trunc(-5.9));
return 0;
}