#include <stdio.h>
int main(void) {
int okane,fee,goukei;
scanf("%d %d %d\n",&okane
,&fee
,&goukei
);
if(okane<0){
}
else{
if((0<okane)&&(okane<5000)){
fee=100;
}
else if((5000<=okane)&&(okane<10000)){
fee=200;
}
else{
fee=300;
}
goukei=okane+fee;
}
return 0;
}
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