include

include

using namespace std; int main(void){

//freopen("1121.in","r",stdin);
//freopen("1121.out","w",stdout);
int a,b;
scanf("%d",&a);
if(a<=999){
		if(a>=100&&a<=999){
		b=a/100;
		printf("%d",b);
	}else if(a>=10&&a<=99){
		printf("%d0",a);
	}else{
		printf("%d00",a);
	}
}
return 0;

}