int main(){
    float m;
   scanf("%f",&m);
    int a,b,c,d;
    float e;
    a=m/100;
    m=m-a*100;
    b=m/10;
    m=m-b*10;
    c=m/1; 
    m=m-c;
	d=m/0.1;
    e=a*0.001+b*0.01+c*0.1+d*1;
    printf("%f",e);
    return 0;
    
}```