#include <stdio.h>

int main() {
    float price[3];
    printf("enter 3 prices : ");
    scanf("%f", &price[0]);
    scanf("%f", &price[1]);
    scanf("%f", &price[2]);

    printf("total price 1 : %f/n", price[0] +(0.18 * price[0]));
    printf("total price 1 : %f/n", price[1] +(0.18 * price[1])); 
    printf("total price 1 : %f/n", price[2] +(0.18 * price[2]));
    return 0;
}