#include <cstdio>

int main() {
    int n;
    scanf("%d", &n);
    
    int a = n;
    int b = n + 8;
    int c = n + 6;
    
    printf("%d\n", a);
    printf("%d\n", b);
    printf("%d\n", c);
    
    double average = (3.0 * n + 14) / 3.0;
    printf("%.1lf\n", average);
    
    return 0;
}
/**************************************************************
	Problem: 1612
	User: huangcanwu
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:1144 kb
****************************************************************/