#include <stdio.h>

double avg(int a, int b, int c);
void print10();

int main() {
    double a, b, c;
    scanf("%lf %lf %lf", &a, &b, &c);
    
    avg(90, 50, 40);
    print10();
}

double avg(int a, int b, int c){
    double d;
    d = (a+b+c)/3;
    printf("%lf\n", d);
}

void print10(){
    int i;
    for(i=1;i<=10;i++){
        printf("%d\n", i);
    }
}