#include<stdio.h>
#include<string.h>
#include<ctype.h>
int isValidName(char name[]){
    for(int i=0;name[i] != '\0'; i++){
        if(!isalpha(name[i]))
        return 0;
    }
    return 1;
}
int main(){
    char sender[100],receiver[100];
    float amount, fee, total;
    
    scanf("%s", sender);
    scanf("%s", receiver);
    scanf("%f", &amount);
    if(!isValidName(sender) || !isValidName(receiver)){
        print("Invalid input");
        return 0;
    }
    
    fee = amount * 0.025;
    total = amount + fee;
    
    printf("%s\n",sender);
    printf("%s\n",receiver);
    printf("%.2f\n", amount);
    printf("%.2f\n", fee);
    printf("%.2f\n", total);
    
    return 0;
}