#include <iostream>
#include <math.h>

using namespace std;

int main()
{
    float n;
    cin >> n;  // this input is needed to reproduce, but the value doesn't matter
    n = 2.98;  // overwrite the input value
    cout << "";  // comment this out => y = z = 149
    float x = n * 50;   // 149
    float y = ceilf(x); // 150
    cout << "";  // comment this out => y = z = 150
    float z = ceilf(x); // 149
    cout << "x:" << x << " y:" << y << " z:" << z << endl;
}