#include<stdio.h> int main() { int k=1,n,s; while(scanf("%d",&n)!=EOF) { s=0; if(n<3) s=5; else if((n-3)%2==0) s=5+(n-3)*1.5; else s=5.5+(n-3)*1.5; printf("Case #%d: %d",k++,s); } return 0; }
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