#include <stdio.h>
int piyo(int x, int y){
if(x<=6){
return 500;
}
else if(x<=12){
return 1000;
}
else if(y==1){
return 1000;
}
else if(x<=15){
return 1500;
}
else{
return 2000;
}
}
int main(void) {
// your code goes here
return 0;
}
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