#include <stdio.h>
#include <stdlib.h>

int main(void){
 int n;
 double x;

printf("Combien veux-tu investir :\n"); 
n = scanf("%lf",&x);
printf(" 1 ans : %f\n", x*0.04);
printf(" 2 ans : %f\n", x*(0.04*2));
printf(" 3 ans : %f\n", x*(0.04*3));
printf(" 4 ans : %f\n", x*(0.04*4));
printf(" 5 ans : %f\n", x*(0.04*5));
printf(" 6 ans : %f\n", x*(0.04*6));
printf(" 7 ans : %f\n", x*(0.04*7));


return EXIT_SUCCESS;
}