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#include<stdio.h>
int main(){
int a;
scanf("%d", &a);
if(a>5000){
printf("discount=0.8,pay=%g", (double)a * 0.8);
}
if(a>3000&&a<=5000){
printf("discount=0.85,pay=%g", (double)a * 0.85);
}
if(a>2000&&a<=3000){
printf("discount=0.9,pay=%g", (double)a * 0.9);
}
if(a>1000&&a<=2000){
printf("discount=0.95,pay=%g", (double)a * 0.95);
}
if(a<=1000&&a>0){
printf("discount=1,pay=%g", (double)a);
}
return 0;
}