View Code of Problem 118

#include <stdio.h>

int main(void)
{
    long n,ma;
    double sum;
    int index = 1;
    while(scanf("%d",&n) != EOF && n)
    {
        if(n <= 3)
            printf("Case #%d: 5\n",index++);
        else
        {
            sum = 5 + (n - 3) * 1.5;
            printf("Case #%d: %.0lf\n",index++,sum);
        }
    }
    return 0;
}