# include <stdio.h>

void main(void){
	int hours;
	int minutes;
	double Time;
	double Temp;

	printf("Enter time since power failure (hh mm): ");
	scanf("%d %d",& hours, & minutes);

	Time = hours + minutes/60.0;

	Temp = (4 * Time * Time) / (Time + 2) - 20;

	printf(" Temperature is %f\n",Temp);

}