#include <stdio.h>

float countCoins(int euro2, int euro1, int cent50, int cent20, int cent10, int cent5, int cent1) {
	float result =	euro2 * 2.0 + 
					euro1 * 1.0 + 
					cent50 * .5 + 
					cent10 * .1 + 
					cent20 * .2 + 
					cent5 * .05 + 
					cent1 * .01;
	return result;
}

int main(void) {
	printf("%f", countCoins(5, 2, 2, 5, 15, 0, 2));
	// your code goes here
	return 0;
}