#include <stdio.h>

int main(){
    double money;
    scanf("%lf",&money);
    if(money>=1000&&money<2000) printf("discount=0.95,pay=%g",money*0.95);
    else if(money>=2000&&money<3000) printf("discount=0.9,pay=%g",money*0.9);
    else if(money>=3000&&money<5000) printf("discount=0.85,pay=%g",money*0.85);
    else if(money>=5000) printf("discount=0.8,pay=%g",money*0.8);
    else printf("discount=1,pay=%g",money);
    
    return 0;
}