#include <stdio.h>
#include <stdint.h>

//Fuck ya, main function
int main(int argc, char **argv) {
    int32_t start, end; //stdints mothafucka
    float gas; //Awww shit, declaring a float
    printf("How much gas was used: "); //No puts here nignog
    scanf("%f", &gas); //EVERYONE GET DOWN USER INPUT INCOMING
    printf("Odometer at start: "); //Oh hey more printf
    scanf("%d", &start); //NOT THIS SHIT AGAIN
    printf("Odometer at end: "); //I'm on to you
    scanf("%d", &end); //I FUCKING KNEW IT
    printf("%fl/km\n", (gas/(end-start))); //Here's your shit, get out
    return 0; //I'm done with this shit
}