oj--dashuju

1.

#include<cstdio>
int main(){
    int k;
    char t;
    int sum=0;
    while(scanf("%d %c",&k,&t)!=EOF){
        sum=0;
        if(k<=1000) sum+=8;
        if(k>1000) {
            int temp=k-1000;
            int a;
            if(k%500==0)a=temp/500;
            else a =temp/500+1;
            sum=8+a*4;
        }
        if(t==‘y‘) sum+=5;
        printf("%d",sum);
    }
    return 0;
}