#include <stdio.h>
int main(){
    int units;
    float bill = 0.0;
    scanf("d", &units);
    if(units < 0){
        printf("Invalid input");
        return 0;
    }
    if (units <= 100) {
        bill - units * 0.10;
    }
    else  if (units <= 200) {
        bill - (100 * 0.01) + (units - 100) * 0.15;
    }
    else {
        bill - (100 * 0.10) + (100 * 0.15) + (units - 200)
    }
    }
    }
    }
    
}