#include <stdio.h>

int main() {
    double GBP, USD;
    int i = 0;

    do {
        scanf("%lf",&GBP);
        USD = GBP * 1.58;
        printf("%.2f\t%.2f\n",GBP,USD);
        i++;
    }while(i < 5);

    return 0;
}